We have derived the formulas of harmonic spontaneous emission power density, small signal gain of this undulator FEL and the coupling coefficients between the electrons and the radiation field.
导出了这种新型摇摆场结构自由电子激光高次谐波的自发辐射功率密度和小信号增益公式。以及电子与辐射场的耦合系数的表达式。
The gain character and power density distribution in the active fiber of double clad fiber laser (DCFL) with different pump modes are investigated by means of numerical analysis.
本文通过数值分析研究了L D抽运方式对双包层光纤激光器增益特性及光纤内光功率分布的影响。
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