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Ignition feedback regenerative free electron laser (FEL) amplifier
Ignition feedback regenerative free electron laser (FEL) amplifier
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机译:点火反馈再生自由电子激光(FEL)放大器
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摘要
An ignition feedback regenerative amplifier consists of an injector, a linear accelerator with energy recovery, and a high-gain free electron laser amplifier. A fraction of the free electron laser output is coupled to the input to operate the free electron laser in the regenerative mode. A mode filter in this loop prevents run away instability. Another fraction of the output, after suitable frequency up conversion, is used to drive the photocathode. An external laser is provided to start up both the amplifier and the injector, thus igniting the system.
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