加速器噪声对远红外FEL振荡器影响的模拟研究
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摘要: 采用FEL一维脉冲模型，针对中国原子能研究院的远红外FEL振荡器，模拟研究了加速器噪声对FEL的影响。对电子束微脉冲的时间晃动和能量波动所引起的光功率波动及光谱中心晃动进行了模拟计算，在计算中还分别考虑了噪声频率、振幅的大小产生的直接影响以及腔失谐的间接影响。Abstract: An 1-D pulse FEL simulation code is applied to study the accelerator noise effects on CIAE far-infrared FEL oscillator. The laser power instability and spectral center shift due to the time jitter and energy ripple of the electron micropulse are modeled by the code, and the roles of the noise frequency, amplitude as well as the optical cavity detuning in the noise effects on the FEL are exhibited in the simulation.
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Key words:
- electron micropulse /
- time jitter /
- energy ripple /
- far-infrared fel
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