The calculating method of the gain coefficient of a small signal is presented.
给出了光解碘激光器的小信号增益系数的计算方法。
The small signal gain coefficient is larger than the absorption coefficient in the whole spectral region, which also confirms the possibility of the laser oscillation in this region.
在整个第一三重态跃迁区域内，小信号增益系数大于吸收系数，证实了产生激光振荡的可能。
Compared with common single mode fiber, the small core PCF has higher non-linear coefficient and larger Brillouin gain, and is suitable for the gain medium of Brillouin fiber laser.
与普通单模光纤相比，小纤芯pcf具有非线性效应强、布里渊增益大的特点，适合作为布里渊光纤激光器的增益介质。
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