Method for utilizing radio-frequency to accelerate electrons

An electronic and radio frequency technology, used in magnetic resonance accelerators, electrical components, accelerators, etc., can solve the problems of weakening competitive advantages, low acceleration efficiency, and increased cost, and achieves a technology that is conducive to popularization, low production cost, and easy beam adjustment. Effect

Inactive Publication Date: 2003-02-05
马钟仁
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Problems solved by technology

However, the cost has also increased significantly, weakening the competitive advantage
Some people envisage further separating the electron orbits, dividing the magnets into many pieces, placing them in the shape of petals, and using radio frequency coa

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  • Method for utilizing radio-frequency to accelerate electrons
  • Method for utilizing radio-frequency to accelerate electrons
  • Method for utilizing radio-frequency to accelerate electrons

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Embodiment Construction

[0035] Taking RFEC-120, a medium-sized equipment of 120 kW as an example, its design parameters are as follows:

[0036] Electron energy 12MeV (initial adjustment is 6MeV);

[0037] Current intensity 10mA (initial adjustment is 5mA);

[0038] Beam power 120kW (initial adjustment is 30kW);

[0039] Ray conversion efficiency (tungsten target) total 30%, front peak 19%. (Initial adjustment total 19%, front peak 11%);

[0040] Power supply 200kW.

[0041] RFEC-120 is composed of electron gun, high-frequency acceleration system and magnet. The auxiliary system includes vacuum system, automatic control system, power supply and water cooling and other conventional service equipment. The electron gun needs to be drawn axially to form a circular beam, which is no different from the technical requirements of most electron beam equipment. This technology has matured in our country, and only one standard design is required. The extraction energy of the electron beam is 50 kV, and the ...

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Abstract

The method for speeding up electronic includes following steps. In the betatron, the guiding of the electron orbit is setup by the four blocks of the separated magnets. The snakelike sizing block for correcting the field is added to each side of the magnet. The four blocks of the separated magnets meet the following condition; the sum of the deflection angles of the magnet beam flow is 360 degree; the perimeter of the center orbit is the integral multiple of the radio frequency wavelength of the speeding voltage. The accelerating chains of the radio frequency single cavity speed up electrons longitudinally and respeatedly, making electrons do circumnutation about 5-10 cycles. In the acceleration process, the accelerating phases are slid within plus or minus 60 degrees.

Description

Technical field: [0001] The invention relates to accelerator technology, in particular to a method for accelerating electrons by using radio frequency. Background technique: [0002] As a radiation source, the electron cyclotron (MICROTRON) is a powerful competitor of the electron linear accelerator. However, due to the difficulty of track correction, it is not suitable for mass production. Later, the successful development of the runway-type electron cyclotron changed the microwave single resonant cavity into an acceleration tube of an electron linear accelerator, and divided the main magnet into two pieces, leaving a drift section of the electron orbit, so that the orbit correction situation improved slightly. . However, the cost has also increased significantly, weakening the competitive advantage. Some people envisage further separating the electron orbits, dividing the magnets into many pieces, placing them in the shape of petals, and adopting radio frequency coaxial...

Claims

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Application Information

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IPC IPC(8): H05H13/10H05H15/00
Inventor 马钟仁
Owner 马钟仁
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