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| 波导自由电子激光带能散度非定态增益 | |
| 引用本文： | 束小建. 波导自由电子激光带能散度非定态增益[J]. 中国激光, 1996, 23(10): 888-892 |
| 作者姓名： | 束小建 |
| 作者单位： | 北京应用物理与计算数学研究所８６３ |
| 摘 要： | 推导了带能散度的波导自由电子激光高、低两共振频率支的非定态增益解析公式．给出了近似显式公式，与数值模拟结果符合很好。从所得增益脉冲分布．估算了克服呆滞效应所需腔长失谐值，在时空框架内解释了自锁模机制。 |
| 关 键 词： | 自由电子激光，波导，增益，非定态 |
| 收稿时间： | 1995-11-27 |
Gain in Non-steady State Waveguide Free Electron Lasers by Taking into Account Energy Spread |
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| Shu Xiaojian. Gain in Non-steady State Waveguide Free Electron Lasers by Taking into Account Energy Spread[J]. Chinese Journal of Lasers, 1996, 23(10): 888-892 | |
| Authors: | Shu Xiaojian |
| Affiliation: | Institute of Applied Physics and Computational Mathematics Beijing 100088 |
| Abstract: | The analytic expression of gain for both frequencies in non-steady state waveguidefree electron lasers is derived by taking into account axial energy spread of electron beams..The approximate explicit expression is also given. They agree well with numericalsimulations. Based on the non-steady state gain, the necessary detuning of cavity length tocounteract the effect of lethargy is estimated, and the mechanism of self mode--locking isexplained clearly in time domain. |
| Keywords: | flee electron laser waveguide gain non-steady state |
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