Cavity for 8 mm second-harmonic gyroklystron amplifier

lei chao-jun; yu sheng

Volume 18 Issue 11

Nov. 2006

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lei chao-jun, yu sheng. Cavity for 8 mm second-harmonic gyroklystron amplifier[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

lei chao-jun, yu sheng. Cavity for 8 mm second-harmonic gyroklystron amplifier[J]. High Power Laser and Particle Beams, 2006, 18.

lei chao-jun, yu sheng. Cavity for 8 mm second-harmonic gyroklystron amplifier[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

lei chao-jun, yu sheng. Cavity for 8 mm second-harmonic gyroklystron amplifier[J]. High Power Laser and Particle Beams, 2006, 18.

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Cavity for 8 mm second-harmonic gyroklystron amplifier

lei chao-jun^1,2,
yu sheng²

1.
Chinese People’s Armed Police Forces Academy,Langfang 065000,China;
2.
School of Physical Electronices,University of Electronics Science and Technology of China,Chengdu 610054,China

Publish Date: 2006-11-15

Abstract

Abstract

This paper presents how to design cavities for 8 mm second-harmonic gyroklystron amplifier based on the theory of gyroklystron amplifier. A lot of factors, such as the radius, length of cavity, modes competing, beam-wave coupling coefficient and the character of coated medium which can restrain the unwanted modes are discussed. Two high frequency structures composed of five designed cavities are tested, one has obtained an output power of about 251 kW with an efficiency of 23.9%, a gain of 27.2 dB and the 3 dB bandwidth is over 0.4%. The other has obtained an output power of about 246 kW and the other parameters are to be tested.
- cavity,
- high frequency structure,
- coupling coefficient,
- parameter of medium,
- guide-centre radius,
- standing wave field

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