1989•Journal of Applied PhysicsRequires access

Radio-frequency linac-driven free-electron laser configurations

C. M. Tang, P. Sprangle, A. Ting, B. Hafïzi

Abstract

Recent developments in accelerator technology and the optical guiding property of the free-electron laser (FEL) radiation indicate that rf linacs may be a strong contender for driving high average power FEL amplifiers. We discuss two rf linac-driven FEL configurations: the master oscillator power amplifier (MOPA) and the single-state power amplifier (SSPA). Our numerical results are obtained using the source-dependent expansion (SDE) method in the computer code shera. The SDE method and the code shera are discussed and illustrations of the MOPA and SSPA configurations presented.

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Key concepts: Linear particle accelerator, Amplifier, Free-electron laser, Physics, Laser, Radio frequency, Power (physics), Optics