Analysis and simulation of optical cavity in CAEP far-infrared FEL

dou yu-huan; shu xiao-jian; wang yuan-zhang

Volume 18 Issue 08

Aug. 2006

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yao zhibin, he baoping, zhang fengqi, et al. Development of measurement system for radiation effect on static random access memory based field programmable gate array[J]. High Power Laser and Particle Beams, 2009, 21.

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dou yu-huan, shu xiao-jian, wang yuan-zhang. Analysis and simulation of optical cavity in CAEP far-infrared FEL[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

dou yu-huan, shu xiao-jian, wang yuan-zhang. Analysis and simulation of optical cavity in CAEP far-infrared FEL[J]. High Power Laser and Particle Beams, 2006, 18.

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Analysis and simulation of optical cavity in CAEP far-infrared FEL

1.
Institute of Applied Physics and Computational Mathematics,P.O.Box 8009,Beijing 100088,China

Publish Date: 2006-08-15

Abstract

Abstract

The waveguide is used in the whole optical cavity of CAEP far-infrared FEL. The influence of waveguide on the net gain of the optical cavity is estimated by calculating the transverse coupling factor between the optical beam and electron beam. The influence of the waveguide is simulated using 3D code. The simulation experiments have been done by reducing the wave guide gap and enhancing field intensity to increase the optical gain. The results show that the gain can be increased by 7%~15% when the wave-guide gap is reduced by 2 mm, and the net gain can be increased almost by 5%~10% when the magnetic field intensity is enhanced by 0.02 T.
- far-infrared free-electron laser,
- wave guide,
- numerical simulation,
- net gain

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