Optics (G02)

G   Physics(391163)
G02            Optics(10591)

ethod for information processing // 2628463
FIELD: medicine.SUBSTANCE: devices and a method are provided comprising a contact lens that facilitates collection and/or processing of information related to the measured features. In one aspect, the system may comprise a contact lens with an analyte component. The contact lens may include: a substrate; and a circuit located on or in the substrate. The circuit may include: a plurality of sensors configured to measure corresponding features associated with the contact lens carrier; and a communication component configured to transmit information indicating the measured features. The analytical component can be configured to: receive information indicating the measured features; and generating statistical information based on at least information indicating the measured features.EFFECT: extended range of technical means.13 cl, 9 dwg

Wide-angle lens // 2628372
FIELD: physics.SUBSTANCE: lens has four components. The first component consists of a negative meniscus, which convex side faces the object, and a biconcave lens. The second component is a single negative meniscus, which convex side faces the object, and which is able to move along the optical axis. The third is a biconvex lens. The fourth component contains two positive meniscus, which convex side faces the object, between which a single negative meniscus is located, which concave side faces the image. Between the third and the fourth components there is a plane-parallel plate or light filter. The following ratio is fulfilled: Δl2≤0.1⋅ƒ'lens, where Δl2 is amount of movement of the second component along the optical axis; ƒ'lens is focal distance of the lens.EFFECT: increasing relative aperture and field of view while maintaining image quality in a narrow spectral range and in an extended temperature range.1 dwg, 1 tbl

Liquid crystal display module and mobile device // 2628318
FIELD: information technology.SUBSTANCE: liquid crystal display module for a mobile device is proposed, comprising: a display functional component disposed in the enclosing space of the mobile device frame and adjacent to the inner frame border; and a protective glass made in the form of a front glass placed directly on the functional component of the display and having such a size that it is placed, at least in part, on the upper surface of the frame. The protective glass covers most of the top surface of the mobile device.EFFECT: simplified design of the mobile device.9 cl, 7 dwg
ethod and device of azimuth-elevation indication in optical-location systems // 2628301
FIELD: physics.SUBSTANCE: method of azimuth-elevation indication in optical-location systems contains the formation of a combined optical beam from the probing and reference laser radiation, the direction of the probing and control laser beams, the separation and summation of the probing and reflected laser beam from the object and the reference beam. In this case, the probing beam is diaphragmed by the radial-slit diaphragm of the probing mirror. The formation of a shadow mark in the probing beam and a light mark passing through the radial-slit diaphragm is performed. The light mark is projected onto the surface of the limb.EFFECT: providing a direct visual indication of the probing radiation direction along the azimuth and elevation angle.3 cl, 1 dwg

echanism of clipping optical module and optical module containing such mechanism // 2628109
FIELD: physics.SUBSTANCE: invention relates to the mechanism of clipping (5) for the optical module that contains a body (100) and a leading engine (30) provided with the anchor resistance and adapted to cause movement of the light beam clipping (10) screen. The said body (100) is made of plastic material, the anchor resistance lies between 25 and 120 Ohm, the engine has a length greater than 26 mm, and the said engine comprises, at least, three coils that provide the anchor resistance. The invention also relates to an optical module that contains such a mechanism of clipping (5).EFFECT: reduction of energy consumption.10 cl, 5 dwg

irror and method of its manufacture // 2628037
FIELD: physics.SUBSTANCE: mirror includes the substrate, the separation and reflective layers. The substrate is made of a carbon-containing composite material. The separation layer is made of pure silicon. The manufacturing method comprises obtaining a substrate from a carbon-containing composite material, forming a separating layer on its surface, subsequently treating the separation layer optically and applying a reflective layer. The separating layer is formed from pure silicon by allowing the substrate to contact the photosensitive substance containing silicon, irradiating the photosensitive with UV radiation, which leads to a photochemical reaction that results in the deposition of a pure silicon separation layer on the substrate surface.EFFECT: improving the operational properties of the mirror, simplifying the technology of its manufacture.3 cl, 1 dwg

Light-reducing sheet coating that has a semiton printed front surface // 2627960
FIELD: physics.SUBSTANCE: coating comprises a retroreflective film having a flat surface on the front side and a plurality of retroreflective elements on the reverse side and an ink layer deposited on said flat surface in a halftone pattern that includes a pattern of light-transmissive lumens between discrete regions of deposited ink that receive Incident light and let the returned light pass without obstruction on the side of mentioned ink. Light-transmitting gaps and discrete regions of the deposited ink determine the front outer surface of the retro-reflective sheet coating.EFFECT: use of such a halftone ink pattern increases the reflectivity of the printed retroreflective sheeting by reducing the amount of light absorbed by the ink and reducing the amount of light scattered by the ink layer, and also eliminates the need for a transparent topcoat or film on the front surface of the retroreflective sheet.21 cl, 20 dwg

Ophthalmic lens // 2627954
FIELD: physics.SUBSTANCE: ophthalmic lens at least one of the main surfaces of which contains a filter. The filter has the following properties: average reflection coefficient of blue light in the wavelength range from 420 nm to 450 nm is greater than or equal to 5% for the angle of incidence in the range from 0° up to 15°; the spectral reflectance curve for the angle of incidence in the range from 0° up to 15° has a maximum reflectance at a wavelength of less than 435 nm and a full width at half-amplitude level that is greater than or equal to 80 nm, and for the angle of incidence θ in the range from 0° up to 15° and for the angle of incidence θ' in the range of 30° up to 45° parameter Δ(θ,θ'), defined by the ratio Δ(θ,θ')=1-[Rθ'(435 nm) / Rθ(435 nm)] is greater than or equal to 0.6, where Rθ(435 nm) and Rθ'(435 nm) is the reflectivity of the main surface containing the filter at a wavelength of 435 nm for the angles θ and θ'.EFFECT: to ensure the transmission of all light radiation, reduce the transmission of blue light in the wavelength range from 420 nm to 450 nm and high transmission in the wavelength range from 465 nm to 495 nm.21 cl, 5 dwg, 1 tbl
atrix substrate and display panel // 2627938
FIELD: physics.SUBSTANCE: matrix substrate includes at least one data line, at least one scan line and a pixel determined by these data line and scan line, the pixel includes an ITO thin film and at least one metal layer below the ITO thin film, the ITO thin film is electrically connected to the metal layer through the through hole, the ITO thin film includes a slit located between the ITO thin film and the through hole and arranged so as to avoid the occurence of disclination lines for improving display operational properties, wherein the length and width of the slit is greater than 2.5 microns, wherein the pixel includes a thin film transistor.EFFECT: providing an opportunity to improve operational properties.2 cl, 5 dwg

Display // 2627936
FIELD: physics.SUBSTANCE: display comprises a flexible plate member including the first and the second surfaces, a frame member provided on the first surface of the plate member and extending in one direction of the first surface and a flexible display body disposed on the side of the plate member, on which the second surface is provided. Herewith the display comprises a reinforcing structure extending in a direction orthogonal to the direction, in which the frame member passes. The plate member includes the first protrusion extending in the direction orthogonal to the direction, in which the frame member passes, the first protrusion serving as the reinforcing structure. At the same time, the plate member includes a plurality of the second protrusions arranged parallel to each other. The second protrusions are arranged in the form of a grid in the direction, in which the frame member passes. In addition, the display body includes a liquid crystal panel, a light source and a heat plate dissipating heat, the heat plate being located on the recessed portion of the first projection.EFFECT: creating a reinforced flexible display, in which the probability of the curved shape loss of the plate element is reduced.5 cl, 21 dwg

Thin-film transistor, matrix substrate and display panel // 2627934
FIELD: electricity.SUBSTANCE: thin-film transistor TFT includes a gate, a first insulating layer located above the gate, a second insulating layer located above the first insulating layer, a semiconductor layer, a source and a drain, located between the first insulating layer and the second insulating layer, an ohmic contact layer located between the semiconductor layer, the source and the drain, the ohmic contact layer including an opening passing through the ohmic contact layer by means of a gap between the source and the drain in order to open the semiconductor layer, and the second insulating layer is connected to the semiconductor layer through this opening, and a conductive layer located above the second insulating layer. The conductive layer and the gate are electrically connected to each other, so that when the TFT is in the on-state, the switching current generated in the conductive channels of the semiconductor layer is increased. When the TFT is in the off-state, the tripping current generated in the conductive channels is reduced.EFFECT: the ratio of the making current to the tripping current is increased.15 cl, 6 dwg

Image capturing device and device control method // 2627933
FIELD: physics.SUBSTANCE: device includes an image sensing unit, a control unit and a calculation unit. The image sensing unit performs photoelectric transformation of the image of the object. The control unit reads the image signals from the pixels in the first and second zones. The calculation unit calculates the focus values based on the signals of the second pixel zone when the focus lens is moved and determines the position of the best focusing. The device includes a block of photometry and evaluation unit which detects the presence of a point source to detect focus. In addition, the device may include a team block and the block count, decorated with the possibility of counting among image signals to detect focus among those signals that have a brightness value greater than or equal to the pre-defined value. Additionally, the apparatus includes a flicker detection unit configured to detect the presence or absence of flicker and flicker frequency.EFFECT: high image quality of obtained images.15 cl, 25 dwg

Optocoupler with catadioptric lens // 2627565
FIELD: physics.SUBSTANCE: optocoupler contains a light source in the form of a spherical xenon lamp, a photoconverter in the form of a solar cell battery, and a casing in the form of a tube of dielectric material, on the outer side surface of which there are potential distributors. The optocoupler also includes a spherical mirror and a lens with a catadioptric nozzle. A spherical mirror, a lens with a catadioptric nozzle, and a solar cell battery are located on the same optical axis coinciding with the axis of the casing in the form of a tube, in one end of the tube there is a lens with a catadioptric nozzle, a spherical mirror and a spherical xenon lamp located between the spherical mirror and the lens with the catadioptric nozzle. In the second end there is a solar cell battery.EFFECT: expansion of the technological capabilities of the optocoupler by increasing its power and electrical strength.1 dwg
Fiber lightguide for amplifying optical radiation in spectral area of 1500-1800 nm, method of its manufacture and broadband fiber amplifier // 2627547
FIELD: radio engineering, communication.SUBSTANCE: fiber lightguide for amplifying optical radiation in the spectral range of 1500 - 1800 nm contains a core of oxide glass containing bismuth oxides in the amount of 10-4-10-2 moll. % and erbium in the amount of 10-4-10-1 moll. %, germanium and silicon oxides with the concentrations taken together or separately in the amount of 90-99.9 moll. %, oxides of phosphorus, boron and aluminium, taken together or separately, in the amount of 0.1-9.9 moll.%. Herewith the core of the fiber lightguide provides for the amplification of optical radiation in a band width of more than 200 nm in the spectral range of 1500-1800 nm, when pumping with one wavelength radiation in the range of 850-1000 nm and/or 1400-1500 nm, at least, one shell of quartz glass and protective coating.EFFECT: amplification of optical radiation in the spectral range of 1500-1800 nm.8 cl, 5 dwg, 1 tbl

Single photon detection system // 2627025
FIELD: physics.SUBSTANCE: system includes a module with a reception area, the power guidance, optical module and optical fiber that has a shell with the first and second endings and the core of the first and second ends. The block is on the receiving module. Module includes first, second, third and fourth zones, the reflectivity coefficient of which is different from the surface of the receiving module. The tip of the first end is set in the orientation block, first end core is optically connected to the reception area and the second end of the core is optically connected to the optical radiation source module. The first end of the core has the possibility of optical coupling with the first, second, third and fourth zones.EFFECT: increasing the efficiency of detection and increasing the reliability of work in conditions of fluctuating external temperatures.16 cl, 8 dwg

Radiation-resistant single-mode light guide with large linear birefringence for fiber-optic gyroscope // 2627018
FIELD: physics.SUBSTANCE: radiation-resistant single-mode light guide with a large linear birefringence for a fiber-optic gyroscope contains a light-conducting core and a reflective shell consisting of doped quartz glass, an outer protective shell consisting of pure quartz glass, two loading zones with reduced quartz glass of the protective shell with a refractive index and a protective-hardening coating. Herewith the reflective shell of the light guide is formed from quartz glass with a reduced refractive index relative to the refractive index of quartz glass of the protective shell, equal to the refractive index of the loading zones with accuracy ±2×10-3. 1.3≤τ/ρ≤4.6 is provided, whereτ - the radius of the reflecting shell, andρ - radius of the light-conducting core.EFFECT: high accuracy of the fibre-optic gyroscope.6 dwg, 8 tbl
ethod for manufacturing waveguide in volume of plate made of porous optical material // 2627017
FIELD: physics.SUBSTANCE: method for manufacturing a waveguide in the volume of a plate made of porous optical material transparent for the wavelength of laser radiation consists in moving a focused laser beam relative to the plate or the plate relative to the focused laser beam in the plane of waveguide formation until the waveguide is formed. The pulse duration of the laser radiation is selected not more than 200 fs at a pulse repetition rate of at least 300 kHz, the energy density in the pulse is not less than 8⋅103 J/cm2 and not more than 12⋅103 J/cm2, and the movement speed of the focused laser beam relative to the plate or the plate relative to the beam is not less than 0.125 mm/s and not more than 3.750 mm/s, wherein the plate is used with thermo-packed layers with thickness of not more than 30 mcm and not less than 5 mcm on wide plate surfaces.EFFECT: creation of a volumetric waveguide with a difference in the refractive index of the core-sheath values exceeding 0,12, with a shortened manufacturing time.10 dwg

Electrical connections in electronic contact lenses // 2626981
FIELD: physics.SUBSTANCE: ophthalmic lens node contains a non-planar substrate; a lens part formed in the non-planar substrate; and electronic components connected with this lens part and mounted on the non-planar substrate. Herewith one of the non-planar substrate and the electronic components contains structures for mechanical fastening, made to facilitate the installation of the planar structures on the non-planar surfaces, and the electrical connection structures for mounting the electronic components on the non-planar substrate.EFFECT: invention applying will expand the technical means range.13 cl, 10 dwg

Device for displaying internal surface of hollow space in product // 2626966
FIELD: physics.SUBSTANCE: device has an all-round view optics which is located with an image sensor and a device for processing data attached to it in the image transfer connection. In addition, the device has a lighting device with a light source for illuminating the display area of the internal surface covered by the optics. According to the invention, at least one light-emitting and / or light-guiding structural element of the lighting device is fixed to the far end of the front optics lens from the center.EFFECT: reduced overall size of the display device.17 cl, 5 dwg
ethod of manufacturing one-dimensional diffraction phase grating with sinusoidal profile // 2626734
FIELD: physics.SUBSTANCE: method of manufacturing a one-dimensional diffraction phase grating with a sinusoidal profile consists in sequentially forming grooves by scanning with a pulsed laser beam of the plate contact plane of fused quartz with a plate of pressed graphite. The interruption of scanning after completion of the groove formation with a period corresponding to the grating period, which is provided by the discrete displacement of the focused laser beam, the depth of the groove relief profile being formed with an energy dependent on the pulsed power density, pulse duration, the diameter of the impact area, the number of pulses, the repetition rate, the scanning speed. The surface of the grating is cleaned by wet laser cleaning.EFFECT: reducing the groove shape deviation from the sinusoidal profile along the entire length of the groove, reducting the deviations in the form of the groove from groove to groove within the diffraction phase grating, eliminating microcracks surrounding the grooves, expanding the depth range of the diffraction phase grating.13 dwg
Photochromatic polymerization-approval composition, photochromic network optical material and method of its production // 2626640
FIELD: physics.SUBSTANCE: proposed composition consists of a silicate glass powder doped with copper chloride CuCl nanocrystals, a mixture of radically polymerizable compounds and a polymerization initiator. One component of the polymerizable compounds is a liquid oligomer with two (meth) acrylic groups bound by a divalent radical containing aromatic groups having at least one acid group -COOH, the refractive index of which is lower than the refractive index of said doped silicate glass.EFFECT: composition provides a photochromic mesh optical material in the absence of a solvent in a simplified technology in the form of a free film, which greatly expands the scope of this material.6 cl, 1 tbl, 1 ex
ethod for growing high-temperature monocrystals by sinelnikov-dziov's method // 2626637
FIELD: chemistry.SUBSTANCE: method involves melting the initial charge in the crucible and the subsequent growth of the single crystal with a seed while cooling the melt and then cooling the grown single crystal, while the crucible is made of a refractory material with a melting point above 2300°C the formulator with convection in the bottom and discharge in the side parts of the slits, the polycrystalline material or polycrystal obtained by melting in a cold crucible or fragments of a single crystal of the corresponding oxide is used as the initial charge, and the growth of single crystals is carried out at a rate from 0.5 to 4 mm/H.EFFECT: improving the quality of grown single crystals, the variety of forms obtained while reducing material and time costs, the possibility of growing single crystals both doped and without impurities.16 cl, 9 ex

Fish eye lens type // 2626298
FIELD: physics.SUBSTANCE: lens consists of two optical components. The first component consists of a single negative meniscus along the beam, a single plano-concave meniscus facing concave surfaces to the image plane, a glued lens consisting of a plano-convex lens along the beam and a biconcave meniscus, and a biconvex single lens. The second component consists of a positive lens along the beam, glued of the biconcave and biconvex lenses and facing the image plane with its convex surface, and a biconvex single lens. The relations, indicated in the invention formula, are performed for the refractive index of the optical lens materials.EFFECT: increasing the relations of the posterior segment to the focal length of more than 4-volumes, which will allow to use a lens with SLR cameras, and increasing manufacturability.2 dwg, 2 tbl
ethod and device for excitating fluorescence by long-range surface waves on single-photon crystal // 2626269
FIELD: physics.SUBSTANCE: fluorescence is excited by an electromagnetic field localized near the interface between the sample-containing liquid and the solid phase. As the solid phase, a multilayer structure is used with periodically varying refractive indices of layers, wherein the number, thickness and refractive indices of the layers are selected such that long-range surface waves of, at least, one mode, the wavelength of wich is within the wavelength range providing effective excitation of sample fluorescence.EFFECT: increasing the contrast of the images obtained and enabling the study of near-surface processes and adsorption.3 cl, 8 dwg

Schemes of generation of modified ghc states // 2626167
FIELD: physics.SUBSTANCE: scheme for generating modified 3- and 4-mode GC states includes a pulsed laser, a beamsplitter, a delay line, and two optical parametric amplifiers. Diagonally polarised laser radiation is divided into two beams using a beamsplitter, which are then used to pump optical parametric amplifiers. In one of these amplifiers, a process of spontaneous parametric scattering is excited with the formation of two orthogonally spatially polarised modes with entangled bell states. Then one of the scattered beams is directed to the input of the second amplifier simultaneously with the pump pulse synchronized in time with the scattered pulse by means of the delay line. At the output of the second amplifier two spatial modes are formed, and in one of them a two-photon state is observed.EFFECT: possibility of generating multiphoton states, the possibility of exchanging entanglements between sources.6 cl, 5 dwg

Two-beam interferometer // 2626062
FIELD: physics.SUBSTANCE: interferometer contains a source of a collimated light beam, a beam-splitter element dividing the original beam into two partial mirrors, two mirrors that guide these beams at an angle of convergence to each other, and a photosensitive member. The beam-splitting element, the two mirrors and the photosensitive member form a mirror-symmetrical system with respect to the plane of the beam-splitter mirror built into the beam-splitter element and are fixedly mounted on a base, the rotation axis of which is arranged so as to match the rotational movement of the base and the motion along the beam-splitter mirror of the collimated light beam in account for changing its angle of incidence.EFFECT: increasing the vibration resistance and simplifying the design.3 cl, 2 dwg
ethod and device for registering images of phase microobjects in arbitrary narrow spectral intervals // 2626061
FIELD: physics.SUBSTANCE: collimated broadband optical radiation transmitted through the microobject is filtered and polarized by a tunable monochromator and polarizer and then divided into two identical beams which are angled and directed to the input of the 4f-system in which a spatial filtering of one of them is performed in the plane of the intermediate image with emission of narrowly directed radiation in the form of a plane wave in it, then their interference patern is registered by a matrix radiation receiver. The procedure is repeated for all required spectral components.EFFECT: possibility of obtaining images of phase microobjects in arbitrary narrow spectral intervals, simplified design, reduced size.3 cl, 1 dwg

Node of splicing optic fibers and fiber-optic connector with such node // 2626056
FIELD: physics.SUBSTANCE: inventive fiber-optic connector comprises a housing, one end of which has a chamber for receiving a supporting base with the positioning means of the optical fiber, and its other end has a receiving hole; a sealing sleeve inserted into the receiving hole and fixed therein; as well as a fixing unit of the fiber-optic cable. The inventive fiber-optic connector further comprises an optical fiber splicing node comprising a support base having the longitudinal first and the second ends, wherein the optical fiber, to be spliced, is introduced into the splicing node from the second end. A receiving recess is located between the first and the second ends, on the lower surface of which there is a groove for receiving the optical fiber to be spliced. The optical fiber positioning means are mounted on the supporting base, including a pressing member located in the receiving recess for pressing the optical fiber to be spliced, adapted to move between the preload position, in which the optical fiber is pressed, and the open position, in which the optical fiber is not pressed, and a fixing member adapted to fix and release the pressing member at the preload position.EFFECT: simplifying the operation of the fiber-optic connector, while improving the efficiency of splicing, the possibility of multiple use.17 cl, 10 dwg

Electroactive ophthalmic device with variable focus distance // 2626050
FIELD: physics.SUBSTANCE: ophthalmic lens with a variable focal length comprises a front and a rear curved optical portions, a cavity formed by the curved lower surface of the front portion and the curved upper surface of the rear portion; the first and the second immiscible fluids; electrodes adapted to generate an electric field; a dielectric film contacting with the first and/or the second fluid and covering the electrodes; and a container for holding the fluid volume equal to or almost equal to the first fluid volume connected to the cavity by the channels. When the first fluid fills the cavity, the second fluid fills the container.EFFECT: providing the vision modification or improving the user's eye physiology.19 cl, 15 dwg

Delay lines on multi-core optical fiber // 2626045
FIELD: physics.SUBSTANCE: fiber-optic delay line comprises a series-connected optical input, the first input-output device, a multi-core optical fiber, the second input-output device and an optical output, wherein, at least, two cores of the multi-core optical fiber are serially connected by means of supplying single-core optical fibers.EFFECT: shortening the length, mass and dimensions of the fiber by sequentially passing the signal through the various cores of the multi-core fiber.3 cl, 5 dwg

Display device // 2625815
FIELD: physics.SUBSTANCE: display device is proposed, comprising: an electronic control unit, an image display unit, a space-angular distribution transforming unit, and a scanning and image transferring unit, a screen. The electronic control unit for receiving a sequence of the image frames constituting the original image, from the external image source, and for processing a sequence of the image frames to produce a control signal. The image display unit for generating, based on the control signal of the electronic control unit, the spatial light distribution pattern corresponding to the image frame sequence. The space-angular distribution transforming unit for converting the spatial light distribution pattern from the display unit into the pattern of the angular light distribution to form, at least, two parallax images associated with the sequence of the image frames. The scanning and image transferring unit for: increasing the said, at least, two parallax images in the first direction and in the second direction, wherein the first direction is perpendicular to the second direction; after the said increasing, deviating the said, at least, two parallax images between each other in, at least, one of the first and second directions so that there is no gap or overlap between the said, at least, two parallax images in the said, at least, one of the first and the second directions; and, after the said increasing and deviating, combining the said, at least, two parallax images to form a combined image. The combined image is an enlarged original image, and a screen to display the combined image.EFFECT: increasing the size of the displayed image in the direction at the same time providing the enhanced image viewing angle and improved image resolution in the said direction.18 cl, 17 dwg
Autogiding optical-mechanical system of fiber-optic spectrograph with counter lighting of optical fiber // 2625638
FIELD: physics.SUBSTANCE: autoguiding optical-mechanical system with counter lighting of optical fiber has optical fibre, which connects an input system and the optical system of a spectrograph and a detector of shifting the image of the star center from the input end of the optical fibre. Herewith the optical fiber input is glued in the center of one of the faces of the optical prism. And in front of the optical prism there are two compensating optical elements in the beam course, made in the form of plane-parallel plates, each of which has the ability to rotate about its axis. The axes of the optical elements are located in orthogonal planes, and their drives are made in the form of electric motors controlled by a personal computer through a special algorithm.EFFECT: simplification of design and manufacturing technology of the autoguiding optical-mechanical system of the optical spectrograph based on counter lighting of the optical fiber.1 dwg

Terahertz radiation modulator // 2625636
FIELD: physics.SUBSTANCE: terahertz radiation modulator consists of a stack of liquid crystal cells, each of which is composed of two substrates separated by spacers. The inner sides of the substrates are processed to give a LC homogeneous orientation along the surface of the substrates. Each of the LC cells of the stack is provided with two sections of a porous membrane located between the substrates and along the edges of the cell. The sections of the porous membrane are separated from the substrates by spacers, forming cavities filled with LC.EFFECT: providing modulation of terahertz radiation with low voltages inherent in LC, and short switching times.4 dwg

ethod of controlling spectrum of beam of wideband terahertz radiation // 2625635
FIELD: physics.SUBSTANCE: method includes placing a selectively absorbing filter in the form of the surface of a conductive plate in the path of the radiation beam, imparting p-polarization to the radiation, converting the polarized radiation into a beam of surface plasmon-polaritons guided by the surface, converting the plasmon-polaritons after traversing them over a plate of macroscopic distance in volumetric electromagnetic waves. In this case, the beam of plasmon-polaritons is reflected by a plane mirror adjacent to the surface of the plate and deflected in the plane of its surface from the normal to the track of the beam. The regulation of the upper limit of the spectrum by varying the mean of free path of plasmon polaritons, and the adjustment of the lower boundary of the spectrum is effected by varying the angle of inclination of the mirror to the surface of the plate.EFFECT: providing the possibility of operational control of both the upper and lower limits of the spectrum of terahertz radiation.3 dwg

Device of introducing non-coherent radiation into lightguide // 2625633
FIELD: physics.SUBSTANCE: in the claimed device for introducing incoherent optical radiation into lightguide containing a mirror, an incoherent optical radiation source, a lens and an optical lightguide sequentially mounted on one optical axis and optically interconnected, a light filter, a gradient rod lens unit, and Y-branchers are additionally mounted. Herewith the lens has an ellipsoidal surface and is mounted in the lateral aperture of the mirror, made in the form of a hollow sphere with an internal mirror coating, the source of incoherent optical radiation is located inside the hollow sphere so that the optical center of the incoherent optical radiation source coincides with the center of the mirror. The gradient rod lens unit, the Y-branchers and the lightguide are located closely next to each other, and the light filter is located in front of the gradient rod lens unit.EFFECT: increasing the efficiency of the radiation input from the source of incoherent optical radiation into the lightguide.1 dwg

ulti-channel electro-optical modulator (versions) // 2625623
FIELD: physics.SUBSTANCE: multi-channel electro-optical modulator consists of a Pockels cell and several independent high-voltage generators connected to it, forming bell-shaped high-voltage pulses with a controlled amplitude up to a quarter-wave voltage and lasting less than the period of the bypass of the regenerative amplifier resonator. The Pockels cell is located in the cavity of the regenerative amplifier between the polarizer and one of the end mirrors of the resonator. The application of each high-voltage pulse to the Pockels cell leads to the fact that as the amplified laser pulse passes through the Pockels cell, its linear polarization is transformed into an elliptical one, the linear polarization component of which, perpendicular to the original, is derived from the resonator through the polarizer and thus releases some of the laser pulse energy from the resonator, and the remaining part is stored in the resonator.EFFECT: ensuring the possibility of a laser energy phased release from the resonator and the formation of a group of pulses with arbitrary shape envelopes spaced apart from each other for a time equal to or a multiple of the period of the resonator bypass at the output of the regenerative amplifier.4 cl, 3 dwg

Ophthalmic lens with segmented annular layers in functionalized insert // 2625600
FIELD: physics.SUBSTANCE: active insert for an ophthalmic lens comprises a structure of the ring-shaped substrate layers with the electrical and/or logical functional characteristics, electrical connections between the substrate layers. At least, one of the ring-shaped substrate layers is formed of a arcuate ring segment assembly, wherein the size, shape and multi-layer structure of each of the ring-shaped substrate layers depend on the thickness around the optical zone of the ophthalmic lens. The active lens insert is sealed with one or more binding material inside the base material of the moulded ophthalmic lens.EFFECT: providing the insertion of the active components into a contact lens in the form of a multilayer insert obtained by superimposing a plurality of the functionalized layers on each other regarding the shape and dimensions of the lens.19 cl, 8 dwg

Optical connector for cables with outer sheath // 2625250
FIELD: physics.SUBSTANCE: declared optical connector, intended for terminating the fiber-optic cable sheath, comprises a body configured so as to be compatible with the receiving part. The optical connector also includes a sleeve disposed in the body, wherein a ferrule is fixed at the first end of the muff member. The muff member includes a gripping mechanism located in the second part of the muff member. The muff member further includes a retainer for the protective layer formed in the third part of the muff member, wherein the retainer for the protective layer is formed so that after activation it clamps, at least, a part of the optical fiber buffer coating. The optical connector also includes a carrier member for holding the muff member within the body. The carrier member includes a mounting structure, surrounding a central hole, at one end of the carrier member, wherein the mounting structure has, at least, one recess area intended to place a part of the outer cable sheath cut in bands. Also an assembly fixture is proposed for terminating the fiber-optical connector, which comprises a base having a connector holder for placing the optical connector, a device for installing the length of the protruding fiber part, having a device for setting the length of the protruding fiber part, and a node of the optical fiber holder. Herewith the base further includes a pivotally attached actuating arm. The node of the optical fiber holder comprises a clamp for the optical fiber intended to fasten the fiber-optic cable with an outer sheath in the node of the optical fiber holder, and the first and the second covers pivotably attached. Herewith the first and the second covers are configured to prevent twisting of the optical fiber while terminating.EFFECT: increasing the fastening reliability.18 cl, 8 dwg
ethod for obtaining homeotropically oriented liquid crystal layer of liquid crystal device // 2625121
FIELD: chemistry.SUBSTANCE: method for obtaining a homeotropically oriented liquid crystal layer of a liquid crystal device (LC) is described. The method comprises applying to the LC substrate a cell of the formula (1) RFRF'QZ or RFRF"QZ (1), where Rf=R1=CnF2n+1O-, , , , Q=CO or CS; Z=-NHRH or -N(RH)2, where RH alkyl C1-C6, Z=-NHR3 or -N(R3)2, where R3 alkyl CkH2k+1, k = 1-8, in a solvent, for example, in a cold solution 112. The substrate is soaked in a solution of the orientant (1), blasting, centrifugation, fixation of the layer of the orientant (1), and flushing of the loose coating are performed.EFFECT: invention provides the most accurate homeotropic orientation of the liquid crystal of the LCD device, regardless of the structure of the orientator, the values of Q and Z, the orientation angle does not change and is 90 degrees.4 cl, 2 dwg, 1 tbl, 1 ex

Holographic method of studying non-stationary processes // 2624981
FIELD: physics.SUBSTANCE: holographic method of studying non-stationary processes, in which a coherent radiation source, a collimator and the first, the second and the third beam splitters, and mirrors are used, by which three reference and one object beams are formed. In the method realisation the said three supporting beams can be obscured by screens, allowing for sequential formation of the holograms in time.EFFECT: ensuring the possibility of studying non-stationary processes at different stages of their development, without interfering with their physicochemical phenomena, which increases the measurement accuracy of the test process parameters.2 dwg

atrix substription and lcd panel // 2624843
FIELD: physics.SUBSTANCE: matrix substrate includes first scan lines (SL1), second scan lines (SL2), third scan lines (SL3), data lines (DL), pixels and common electrode (CE). SL2 are electrically connected in the peripheral region of the matrix substrate. Each pixel includes a first pixel electrode (E1), a second pixel electrode (E2), a third pixel electrode (E3) and a first switch (S1), a second switch (S2) and a third switch (S3), which respectively affect the pixel E1, pixel and pixel E3. Each pixel further includes a first control circuit (CC1) and a second control circuit (CC2). The LEDs are respectively connected to the pixel E1, the pixel E2 and the pixel E3 through S1, S2 and S3 to provide a data signal. S1, S2 and S3 are switched on, when SL1 brings the first scanning signal. CC1 is connected to the CE. CC1 adjusts the voltage difference between the pixel E1 and the CE so that it is zero when the SL2 feeds the second scan signal, so that the pixel E1 is in the display state of the image corresponding to the black screen. CC2 affects the pixel's E2 and the pixel's E3 when the SL3 supplies a third scan signal that changes the voltage difference between the pixel's E2 and the pixel's E3. In 2D mode, the E1 pixel, pixel E2, and pixel E3 are in the image display state corresponding to the 2D image, under the influence of SL1 and DL. CC1 translates pixel E1 status display an image, the corresponding 2D image when the SL2 brings fourth signal scan, and then brings the third scan signal SL3 for CC2 management to influence the second pixel and the pixel E3. The voltage difference between the pixel's E2 and the pixel's E3 varies under the influence of CC2, so that there are voltage differences that are not equal to zero between pixel E1, pixel E2 and pixel E3. In 3D mode, the SL2 feeds the second scan signal to control the CC1 to affect the pixel E1. E2 of the pixel and E3 of the pixel are in the state of displaying the image corresponding to 3D, under the influence of SL1 and DL corresponding to this pixel. E1 of the pixel is in the display state of the image corresponding to the black screen under the influence of CC1, and then the SL3 feeds the third scanning signal to control the CC2 to affect the pixel E2 and the pixel E3. The voltage difference between the pixel's E2 and the pixel's E3 changes under the influence of CC2, so that there is a voltage difference that is not zero between the pixel's E2 and the pixel's E3.EFFECT: reduces the difference in colour at a wide viewing angle, improves the window format in 2D mode and reduces crosstalk signals for two eyes in 3D mode, and reduces the number of data drivers.16 cl, 7 dwg
Fiber-optic interferometric device for detecting phase signals // 2624837
FIELD: physics.SUBSTANCE: fiber-optic interferometric device for detecting phase signals, including optically coupled a source of coherent optical radiation, a phase modulator, a device for distributing optical power, a sensitive part including, at least, one sensor element representing a segment of the sensing optical fiber located between the two fiber Bragg gratings (FBG) of the same resonance wavelength, located at the predetermined distance, and a photodetecting device with a demodulation circuit. The input of the phase modulator is coupled to the source of the coherent optical radiation, and its output is coupled to the first device port for distributing the optical power, the second port of which is coupled to the sensitive part, and the third device port for distributing the optical power is coupled to the input of the photodetecting device, and the length of the sensor element (Lse) and the laser pulse duration of the coherent optical radiation source (tpul) are coupled by the ratio: ,where c - the light velocity, n - the refractive index of the sensor element optical fiber, tpul - the duration of the laser pulse, Lse - the length of the sensor element.EFFECT: creating a fiber-optic interferometric device for recording different phase signals, which allows to eliminate the useful signal distortion and to reduce optical losses while simplifying the construction.4 dwg
ethod for measuring distribution of excess optical fiber length in optical cable module // 2624796
FIELD: measuring equipment.SUBSTANCE: in the claimed method for measuring the distribution of the excess optical fiber length in the optical cable module, the backscattering characteristics of the optical fiber are preliminarily measured at two wavelengths. According to these characteristics, the distribution of the optical fiber attenuation coefficients along the cable α(z, λ), where z is the distance from the proximal end along the cable length, λ - the wavelength, at which the backscattering characteristic of the optical fiber was measured, then at each point z along the cable length, the difference between the optical fiber attenuation coefficients is measured at different wavelengths Δα(z). Then, the optical fiber bending radii are calculated in the optical cable module along the cable length by the formula: R(z)=R0-Δαij(z)/η(λi) (1), where R0 and η(λ) are parameters of the optical cable, and according to the distribution of the optical fiber bending radii in the optical cable module, the distribution of the excess optical fiber length is determined in the optical cable module along the cable length. Herewith the measurements of the optical fiber backscattering characteristics are performed at a low negative temperature after the optical cable has been at the given temperature for a certain predetermined time interval, the distribution of the excess optical fiber length in the optical cable module is determined according to the distribution of the optical fiber bending radii in the optical cable module along the cable length EFL(z, Tm) at the temperature, at which the measurements were made, and then the distribution of the excess optical fiber length in the optical cable module is determined along the cable length at the given temperature T by the formula: EFL(z, T)=EFL(z, Tm)-(T-Tm)⋅ ΔεT (2), where ΔεT - the difference between the coefficients of the linear module material expansion and quartz glass.EFFECT: reducing the error in measuring the attenuation coefficients of the optical fiber at the bends and, as a consequence, reducing the error in measuring the excess optical fiber length in the optical cable module compared to the prototype.1 dwg

Diffractive device // 2624661
FIELD: physics.SUBSTANCE: diffractive device comprises a diffractive grating consisting of a substrate and a reflective coating with a relief in the form of strokes, as well as a thermoelectric cooling system of the diffractive grating mounted on the non-working surface of the substrate. The thermoelectric cooling system of the diffractive grating consists of a central thermoelectric module and peripheral thermoelectric modules mosaic located on the non-working surface of the substrate. The cooling power of the central thermoelectric module is higher than the cooling power of each peripheral thermoelectric module.EFFECT: eliminating the distortion of the reflected radiation wavefront by providing compensation for the temperature expansion of the diffractive grating substrate material and maximizing the flatness of its surface, increasing the overall dimensions of the diffractive grating to achieve higher powers of generated laser radiation with it.2 dwg

Infrared system with two vision fields // 2624658
FIELD: physics.SUBSTANCE: infrared system with two vision fields consists of the first component arranged along the optical axis, comprising the first positive and the second negative convexo-concave lens, the second component comprising a biconcave lens and adapted to move along the optical axis, the third component comprising a biconvex lens, the fourth component comprising the first concave-convex and the second convex-concave positive lenses, the third negative convex-concave and the biconvex lenses, and a photoreceiver with a cooled diaphragm. In the space between the third and the fourth components, an intermediate image is formed. For the focal lengths f'I and f'IV of the first and the fourth components, respectively, and the maximum focal length of the system f'max the following relations are performed: 0.6<f'I/f'max<0.72; 0.08<f'IV/f'max<0.2.EFFECT: due to the constructive execution of the infrared system with two vision fields, the energy concentration is increased with a minimum focal length, which ensures high quality of the system image and improves its detectability.2 dwg, 4 tbl

Detector head // 2624608
FIELD: measuring equipment.SUBSTANCE: detector head includes a housing that is made in the form of a base and a cover. At the base, a through-going waveguide channel is made, and a short-circuit is located in the cover. Between the base and the cover there is a strip on which the filter, contact pad and detector diode are located. On the outside of the base, a dielectric mesodimensional particle is formed directly above the waveguide channel, forming a photon jet. The distance between the outer surface of the base and the detector diode located on the strip plate is no more than the length of the photon jet formed by the dielectric particle.EFFECT: increasing the sensitivity and field of view of the device.3 cl, 1 dwg

ultilayer integrated multicomponent devices with feed supply // 2624606
FIELD: electricity.SUBSTANCE: ophthalmic device comprising a multilayer integrated multicomponent device with power supply contains at least the first and the second of superimposed layers comprising electrically active devices comprising one or more components and at least the third of superimposed layers containing one or more power supply devices. The electrical connection allows the current to flow between at least one component in the first and second layers and with at least one component in the third of the layers. Technology type of the first layer comprises a technique selected from the CMOS, BiCMOS, bipolar, MEMS and storage devices technology, and the technology type of the second layer contains another technique selected from CMOS, BiCMOS, bipolar, MEMS technologies and storage devices technology.EFFECT: providing both ophthalmic requirements and the requirements for the manufacture of electrical devices with electrical power.14 cl, 13 dwg

Backlight device // 2624598
FIELD: lighting.SUBSTANCE: transparent and diffusing masking elements (120, 121, 122) mask individual light sources (110, 111, 112) and diffuse the light back into the light guide (101). The absorbent elements (130, 131, 132) or the light reflecting elements are arranged so that they surround the light sources (110, 111, 112) to avoid generation of bright spots or rings around the light sources (110, 111, 112).EFFECT: thin backlight design and high uniformity of light emitted by the backlight device.10 cl, 2 dwg
Device for supplying fiber optic into house // 2624405
FIELD: physics.SUBSTANCE: device for supplying fiber optic into the house contains a splice chassis and a light separation module. At the same time on the splice chassis in the splice area, the optical cable entry, the optical cable outlet, the splice point and the adapter are deployed. The light separation module includes an access point, a separator and N output ports, where N is a positive integer, not less than two; the light separation module is installed above the splice area by connecting an external port of the access point to the external port of the adapter. When the fiber optic supply is installed in the house, the optical cable is sequentially passed through the optical cable inlet and the optical cable outlet, and the optical cable crosses the splice area, and then the first fiber of the optical cable is separated from the optical cable between the optical cable inlet and the optical cable outlet. The first fiber is spliced to the first end of the second fiber to be supplied into the house using a splice point; and the second end of the second fiber is connected to the internal port of the adapter. The internal port of the access point is connected to the first end of the third fiber for access to the house; the first end of the separator is connected to the second end of the third fiber; the second end of the separator is connected to the first end of each of the fourth fibers to be supplied into the house. Each of the outlet ports is connected to the second end of each of the fourth fibers.EFFECT: simplifying the process of supplying optical fiber into the house and improving the speed of providing optical fiber services to users.8 cl, 9 dwg

Optical connector // 2624398
FIELD: physics.SUBSTANCE: optical connector comprises a housing including a contact part, the first and the second insertion part, a cover having an outer surface, on which a protruding blocking area is formed, and a holder that is slidably inserted into the contact part and the cover. The contact part serves to ensure contact of the bushing optical fiber with the optical fiber of the fiber-optic cable. The first insertion part, into which the fiber-optic cable is inserted, may be located behind the contact part, and the second insertion part, into which the sleeve is immovably inserted, may be located in front of the contact part.EFFECT: providing an optical connector capable of minimizing damage to the fiber-optic cable and minimizing deformation of the contact part and the cover during the installation of the fiber-optic cable.10 cl, 14 dwg
 
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