Accelerator having high-frequency power source
 Accelerator having high-frequency power source / 2249927Accelerator provided with high frequency power source includes ferrite circulator; magnetron connected to first branch of ferrite circulator; first resonator accelerating section connected to second branch of ferrite circulator; load connected to third branch of ferrite circulator; second resonator accelerating section connected to fourth branch of ferrite circulator. The last is provided with solenoid supplied from pulse-type variable-polarity current source. Each accelerating section is tuned for optimal acceleration of particles up to predetermined energy value. |
 Linear inductive accelerator / 2286034Linear inductive accelerator contains inductive system in form of a set of ferromagnetic cores, enveloped by magnetization coils. On both sides of cores outputs of magnetization coils are electrically combined and connected to outputs of last compression unit of impulse generator. Magnetic impulse generator is a series of at least two compression units, consisting of capacitors and saturation throttles. In parallel to the last compression unit of magnetic impulse generator, additional compression units are connected. Generation of high voltage impulse by inductive system is performed due to serial discharge of capacitors of compression units through windings of saturation throttles onto magnetization coils of inductive system. Delay of impulse feeding from additional compression units into inductive system is achieved by using saturation throttles with varying interlinkage values. |
 Interlaced multi-energy radiation sources / 2508617Use of automatic frequency tuning devices is provided to match the frequency of RF power provided to an accelerator with the accelerator resonance frequency. In one version, where the RF power pulse generator is a mechanically tunable magnetron, automatic frequency tuning is provided to match the frequency of RF power pulses at one power level to the accelerator resonance frequency when those RF power pulses are provided, and the magnetron is operated such that frequency shift in the magnetron at the other supply power level at least partially matches the resonance frequency shift in the accelerator when those RF power pulses are provided. In other versions, when the RF power pulse generator is a klystron or electrically tunable magnetron, a separate automatic frequency tuning device is provided for each power level of the RF pulses. |
FIELD: systems for supplying high-frequency power to accelerators of charged particles, namely systems for supplying high-frequency power to resonance accelerators from magnetrons.
SUBSTANCE: accelerator provided with high frequency power source includes ferrite circulator; magnetron connected to first branch of ferrite circulator; first resonator accelerating section connected to second branch of ferrite circulator; load connected to third branch of ferrite circulator; second resonator accelerating section connected to fourth branch of ferrite circulator. The last is provided with solenoid supplied from pulse-type variable-polarity current source. Each accelerating section is tuned for optimal acceleration of particles up to predetermined energy value.
EFFECT: possibility for controlling energy of particle beam from pulse to pulse due to using two accelerating sections.
1 cl, 1 dwg
The present invention relates to high frequency power particle accelerators, particularly to a high frequency power resonator accelerators from magnetrons.
Known accelerator, in which the junction of the magnetron and cavity sections is carried out using a waveguide bridge. The grouping of the particles is carried out in a grouper with power from the magnetron through a directional ovelitel. To adjust the energy of the particles in the waveguide path at the entrance of a grouper has a Phaser. The Phaser is a section of waveguide with PTFE plates which can be moved in the cross section of the waveguide, providing a change in electrical length of the phase shifter. The reconstruction of the phase shifter provides a phase change of the incidence of clots of the anomaly is in the accelerating section and thereby reshaping the beam energy at the exit of the accelerator. The disadvantage of this device is the inability to adjust the beam energy from pulse to pulse. In addition, when adjusting the energy of the particles deteriorates the quality of the beam increases the width of the energy spectrum is reduced beam current (VIKULOV SCI and other Compact electron linear accelerator with standing wave and bridge circuit. Accelerators, issue 19, M: Atomizdat. 1980, p.5-11).
Known device, where isolation of the magnetron and cavity section applies ferrite circulator. In the device of the magnetron is connected to the first shoulder ferrite circulator, accelerating resonator section to the second shoulder ferrite circulator, to the third and fourth shoulders ferrite circulator connected absorbing load (LEBEDEV, I.V. Equipment and microwave devices, Vol.2. M.: Higher school. 1972, pp.96).
The disadvantage of this device is the lack of deep adjusting the energy of the accelerated beam.
When implementing the present invention solves the problem of adjusting the energy beam from pulse to pulse due to the use of two resonator sections, each of which is configured to provide optimal conditions for acceleration of particles to a predetermined energy.
This technical effect is achieved by the fact that the accelerator device high-frequency power supply containing a ferrite circulator, a magnetron connected to the first shoulder ferrite circulator, the first resonator section, connected to the second shoulder ferrite circulator, absorptive load connected to the third shoulder ferrite circulator, to the fourth shoulder ferrite circulator connected to the second resonator section, and a ferrite circulator is equipped with an electromagnet, which is powered by impul the red current source peremennoi polarity.
The drawing shows a functional diagram of the device.
The magnetron 1 is connected to the first shoulder ferrite circulator 2, the first resonator section 3 - second shoulder ferrite circulator 2, the third shoulder ferrite circulator 2 is connected dummy load 4. The fourth shoulder ferrite circulator 2 connected to the second resonator section 5. Ferrite circulator 2 is provided with an electromagnet 6, which is fed from a pulse source current of alternating polarity 7.
The device operates as follows. The electromagnetic wave supplied from the magnetron 1 in the first shoulder ferrite circulator 2 and then into the first resonator section 3. Reflected from the resonator section of the wave through the circulator 2 is given in absorbing the load 4, which provides isolation of the magnetron 1 and the resonator section 3. Particles are accelerated in the resonator section 3 to the nominal power for which it is designed. When the pulse reconstruction of the polarity of the current in the variable current source polarity 7, the polarity of the magnetic field in the electromagnet 6 is changed to the opposite. This leads to a change of a direction of transmission of electromagnetic waves in a ferrite circulator 2 to the opposite. When this wave from the magnetron 1 enters the resonator section 5 and is provided with the acceleration frequent the C in it up to the nominal energy, which is calculated for this section. This ensures that the reorganization energy particles from pulse to pulse. Variable output energy of the particles is determined by the characteristics of the resonator sections 3 and 5, while the pulse reconstruction beam energy can be achieved from units to tens of times.
The proposed device allows to provide a deep restructuring of the beam energy (up to several tens of times) in the pulse mode. The time of the restructuring of the energy is determined by the characteristics of the pulsed source current of alternating polarity and is no more than a few microseconds. The restructuring of the energy beam at a great value with high speed enables the use of the proposed device in units of radiation control products with complex internal structure.
The accelerator device high-frequency power supply containing a ferrite circulator, a magnetron connected to the first shoulder ferrite circulator, the first resonator accelerating section connected to the second shoulder ferrite circulator, absorptive load connected to the third shoulder ferrite circulator, wherein the fourth shoulder ferrite circulator connected to the second resonator of the accelerator section, and a ferrite circulator is equipped with electromagn is that which is fed from a pulse source current of alternating polarity.