Method for controlling generation and radiation density shaping spectrum of geotechnological laser built around magneto-acoustic space-time modulator and controlled-generation spectrum geotechnological laser

FIELD: laser engineering; destruction and directive change of mountain rock properties.

SUBSTANCE: proposed method includes formation of radiation density distribution over desired generation spectrum by pumping active medium with aid of laser. On one end pressure and acoustic radiation frequency are shaped within desired variation range of magnitude and direction. On other end directive magnetic field is acted upon synchronously with reflecting resonators. The latter periodically convey reflected beam to pumping chambers for enhancing energy density and power of laser beam; Geotechnological laser has pumping device, resonators, dispersion device, and magneto-acoustic space-time modulators. Dispersion devices are made in the form of rotary sound converter units with radiators. Radiation beam amplifying concentrators are coupled with pumping chambers; generation unit is provided with additional pumping chambers. Pumping chambers are mounted in two modules filled with active media. The latter are arranged in direction of optical axes perpendicular to direction of radiation beam linear dispersion. Laser heads of each module are relatively offset in vertical plane. Shielding reflectors are coupled with radiation beam amplifying concentrators.

EFFECT: ability of forming desired energy density, power, and beam intensity for destruction, synthesis, and directed change of mountain rock properties.

2 cl, 4 dwg

 

The invention relates to laser technology and can be used for destruction and directional changes of rock properties.

The known method synchronization modes multi-frequency lasers such as the q-switching simultaneously at a frequency of intermode beats and at a lower frequency double the detection power of the laser radiation, the change in the time dependence of the obtained detection signal. The method provides for receiving the output radiation with a given time structure and a controlled amplitude, duration and repetition rate pulses /1/.

The method is suitable for synthesis of a given temporal structure of the radiation and does not allow for the increasing need for destruction of mineral media energy density, intensity and power of the radiation.

Known industrial process laser MT-2, containing the x-ray generation unit, a functional unit with auxiliary systems, microprocessor-based control system /2/.

This laser operates in a stable operating mode that generates a certain energy density narrow range.

The closest in technical essence and the achieved result is a method of controlling the spectrum of the laser and a laser with a controlled spectrum generation, consisting done is no pumping of the active medium and in the direction of radiation of different wavelengths on different parts of the active medium, power pump reallocate to the active medium by law corresponding to the desired spectral power distribution generation. The laser with a controlled spectrum generation containing the pumping device, the resonator and placed in it a dispersive element, the active medium, long in the direction perpendicular to the optical axis and coincident with the direction of the linear dispersion of the dispersive element in the laser resonator further introduced two achromatizing lens, and a dispersive element made in the form of autocollimating dispersive element and combined with an end reflector of the cavity, the pumping device includes a pump laser optically connected to the input of the light guide bundle, the output of which made extensive and output ends of the harness are distributed across the active medium in accordance with the desired spectrum generation /3/.

This method and the laser have a limited range of generation and form the distribution of power in a narrow range along the spectrum generation.

The technical result - the formation of the desired distribution of energy density, power and intensity of radiation for the destruction, synthesis and directional changes of rock properties.

The technical result is achieved in that in the method of controlling the spectrum of generation and the formation of the density of radiation geotechnical laser-based magnetic sound spatio-temporal modulator, consisting in the formation of the desired density distribution of the radiation in a given range of generation by pumping the active medium of the laser, the beams generated by the laser radiation from the pumping chambers, on the one hand, periodically forming pressure (intensity) and the frequency of the sound radiation in a given range of variation in magnitude and direction, and on the other hand, synchronously act directed magnetic field with reflectors, resonators, periodically directing reflected radiation in the pumping chamber to increase energy density, intensity and power of the laser radiation in the pumping chambers.

Geotechnical laser with a controlled spectrum generation containing the device pumping the active medium of the laser pumping through the branched light guide bundle, resonators, the dispersion device equipped with magnetic sound space-time modulators containing the hub-amplifiers radiation guiding magnets and reflectors resonators defined by the reflected laser radiation output from the pumping chambers, and the dispersion device made in the form of swivel blocks sound transducers with emitters, while the hub-amplifiers radiation associated with the chambers of the pump and the block generation Snab is Yong additional pumping chambers, installed in two modules with active media arranged in a direction of an optical axis perpendicular to the direction of linear dispersion, while the laser head of each module are shifted relative to each other vertically, and a protective cover associated with the hub-amplifiers radiation and installed below the laser heads.

The impact on the beams generated by the laser radiation from the pumping chambers, on the one hand, periodic pressure (intensity) and frequency sound radiation in a given range of variation in magnitude and direction, and on the other hand is simultaneously directed magnetic field with reflectors, resonators, periodically directing reflected radiation in the pumping chamber to increase energy density, intensity and power of the laser radiation in the chambers of the pump and the delivery of geotechnical laser magnetic sound space-time modulators containing the hub-amplifiers radiation guiding magnets and reflectors resonators defined by the reflected laser radiation on the outlet from the pumping chambers, and the dispersion device made in the form of swivel blocks sound transducers with emitters, while the hub-amplifiers radiation associated with cameras on acci, while generating block provided with an additional pumping chambers installed in two modules with active media arranged in a direction of an optical axis perpendicular to the direction of linear dispersion, while the laser head of each module are shifted relative to each other vertically, and a protective cover associated with the hub-amplifiers radiation and installed below the laser heads, defines the solution as meeting the requirements of patentability (novelty, inventive step, industrial applicability).

Geotechnical laser with a controlled spectrum generation shown on the drawings.

Figure 1 - General view of the laser; figure 2 is a view As in figure 1; figure 3 - a view B in figure 2; figure 4 is a view In figure 2.

Geotechnical laser with a controlled spectrum generation 1 device pump 2 active medium 3 pump laser 4 through the branched light guide bundle 5, the cavities 6, the dispersion device 7. Magnetic sound space-time modulators 8 contain the hub-amplifiers radiation 9 with the guide magnets 10 and reflector resonators 11, which is defined by the reflected laser radiation 12 to the outlet 13 of the chambers of the pump 14. The dispersion device 7 is designed as a swivel blocks of sound Pres is razovatelej 15 emitters 16. The hub-amplifiers radiation 9 involve pumping chambers 14. The generation unit 17 is provided with an additional pumping chambers 18 which are installed in two modules 19. The active medium 3 is located in the direction of the optical axis 20 perpendicular to the direction of linear dispersion 21. The laser head 22 of each module 19 are displaced relative to each other vertically, 23. Protective reflectors 24 are associated with the hub-amplifiers radiation 9 and installed below the laser head 22.

The generation unit 17 has a communication link 25 with the functional block 26, which includes an automatic process control system of the pump 27, the automatic process control system dispersion effects 28, microprocessor-based system for calculating the parameters of the intensity (power) of the radiation with the switching circuits and power sources 29. The units of the system of water-oil cooling 30, the pumping system and hasenpusch 31 (discharge system inversion populations) are associated with the generation unit 17, and a function block 26 may be located at a distance from the generating block 17. The laser head 22 provided with an optical shutter with a radiation absorber 32. The sensors fixation parameters density of radiation 33 formed at the output beams of the laser radiation, mounted on the rotation of the s blocks of sound transducers 15 and is oriented along the axis of the directional sound radiation 34. Automatic process control system of the pump 27 includes registering the sensors preionization mode 35 and control the sensors of the system of accumulation and amplification of radiation 36.

The resonator 6 can be optical or magnetic. Swivel blocks of audio converters 15 mounted on the platform 37, which is pivotally connected to the actuator 38 of its rotation around the axis 39, and connected with the sound generator radiation 40.

The method of controlling the spectrum of the generation and formation density radiation geotechnical laser-based magnetic sound spatio-temporal modulator is implemented as follows.

The active medium 3 in the chambers of the pump 14, installed in two module 19 in the generating block 17, is pumped by the radiation of the pump laser 4 a pumping device 2 by using the branched light guide bundle 5. Power pumping is distributed by active media 3 geotechnical laser with a controlled spectrum generation 1 according to the law, corresponding to the desired spectral power distribution generating set automatic process control system of the pump 27 and is controlled by the registration sensor preionization 35. In the microprocessor system of calculation of parameters of the radiation intensity with the switching circuits and power sources 29 receives information about the object without istia - thermodynamic, mechanical, structural parameters of rock. Is generated radiation in the desired range for the magnitude and distribution of the source of power for pumping chambers 14, 18 with the cavity 6. The generation process is controlled by sensors fixing the parameters of the density of radiation 33 and a control system sensors accumulation and amplification of radiation 36. Included located in a functional block 26 automatic process control system of the dispersion effect 28 on a laser. Via communication link 25 to the actuator 38 of rotation around the axis 39 of the rotary blocks sound transducers 15, mounted on the platform 37, serves the control signals. Swivel blocks of audio converters 15 with the emitters 16 of the dispersion device 7 are set at the desired angle to the direction of the optical axis 20. A generator of sound radiation 40, customized to the desired power and frequency of the output parameter of the emitters 16 to provide linear dispersion of the radiation 21 laser beams in planes and their distribution in the direction perpendicular to the optical axis 20. The change of the angle of rotation of the emitters 16 reduces or increases the reflection of rays of different wavelengths by changing the density of the laser radiation. At the location of the axis of the directional sound is new radiation 34 is perpendicular to the optical axis 20 is provided maximum irradiance and complete dispersion of the laser beam. At offset emitters 16 in an extreme position at an angle of up to 45° from the initial, minimum variance, maximum reflected rays and the maximum reduction in the intensity of the laser radiation.

Reflectors-resonators 11 located on the side of the reflected laser radiation 12 to the outlet 13 of the pumping chambers 14, assume the reflected rays. For full absorption of the reflected radiation to the accumulation of negative charge of the electrons is included guiding magnets 10, which trap the flux is directed in the area of the reflector cavities 11 of the hub-amplifier radiation 9 magnetosonic space-time modulator 8. To exclude the impact of sound radiation on the elements of the dispersion device 7 positioned below the working areas of impact sound, laser head 22 is displaced relative to each other vertically, 23, and work areas are limited protective reflectors 24. The units of the system of water-oil cooling 30, the pumping system and hasenpusch 31 (discharge system, the population inversion of) work in automatic mode. The interruption of the laser radiation can be carried out using optical gates absorbers of radiation 32.

The method of controlling the spectrum of the generation and formation of radiation power geothennal the policy of the laser based on the magnetic sound of the spatio-temporal modulator and geotechnical laser with a controlled spectrum generation allow selective effect on the structural connection mineral systems of different density and strength properties, directional change their properties and synthesis of new compounds.

Sources of information

1. RF patent №1530038, MKI 5 H 01 S 3/10, Way synchronization modes multi-frequency lasers, publ. 15.06.94, bull. No. 11.

2. Technological lasers: Reference: 2 T. Vol. 1: Calculation, design and operation / Gaebelein, Ushauri, Vggallery and others; Under the General editorship Gaebelein. - M.: Mashinostroenie, 1991, 125, ri-61.

3. RF patent №1718313, MKI 5 H 01 S 3/10, the method of controlling the spectrum of the laser and a laser with a controlled spectrum generation, publ. 07.03.92, bull. No. 9 (prototype).

1. The method of controlling the spectrum of the generation and formation density radiation geotechnical laser-based magnetic sound spatio-temporal modulator, which consists in forming the desired density distribution of the radiation in a given range of generation by pumping the active medium of the laser, characterized in that the beams generated by the laser radiation from the pumping chambers, on the one hand, periodically forming pressure (intensity) and the frequency of the sound radiation in a given range of variation in magnitude and direction, and on the other hand, synchronously act directed magnetic field with reflectors, resonators, periodically directing reflections is the amount of radiation in the chamber of the pump to increase the density energy intensity and power of the laser radiation in the pumping chambers.

2. Geotechnical laser with a controlled spectrum generation containing the device pumping the active medium of the laser pumping through the branched light guide bundle, resonators, the dispersion device, wherein equipped with a magnetic sound space-time modulators containing the hub-amplifiers radiation guiding magnets and reflectors resonators defined by the reflected laser radiation output from the pumping chambers, and the dispersion device made in the form of swivel blocks sound transducers with emitters, while the hub-amplifiers radiation associated with the pumping chambers, and the generating block provided with an additional pumping chambers installed in two modules with active media arranged in a direction of an optical axis perpendicular to the direction of linear dispersion, while the laser head of each module are shifted relative to each other vertically, and a protective cover associated with the hub-amplifiers radiation and installed below the laser heads.



 

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