以可调谐双稳外腔半导体激光器(ECLD)为例，指明了在损耗调制下，扰动近似分析可能会失效。
Taking an external cavity laser diode (ECLD) as an example, calculations indicate that the perturbation analysis may become invalid under loss modulation.
由材料的失效温度及铸件的壁厚，直接找到该材料的失效距离，从而计算其损耗系数。
Based on the clay degradation temperature and casting section thickness, the degradation region can be determined directly, and the consumption coefficient can be calculated.
具体地说，在损耗调制的情况下，系统变化前后的阈值载流子密度不同，此时小信号近似分析可能会失效，因而使用时需慎重。
More specifically, if the threshold carrier densities are different before and after the system changes, the small signal analysis should be used very carefully.
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