The effect of divergence of the incident electron beam on the gain of FEL is analysed.
这种处理方法也适用于自由电子激光器的谐波辐射。
In conditions that the laser gains can be obtained, the relations between the maximal allowable divergence Angle of incident electron beam and other physical parameters are discussed.
在获得激光增益的条件下，讨论了入射电子束的最大许可发散角与其它物理参数之间的关系。
The electron range increases with decreasing atomic number and increasing incident beam energy E0.
电子射程随着原子序数的减少和入射束能量e0的增加而增加。
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