Using ray transfer matrix, the characteristics of the external cavity and the feedback laser beam are studied.
利用传输矩阵理论结合具体实验装置分析了外腔反馈注入系统的特性和反馈注入光束的传输特点。
Feedback laser which generates narrow band light source for the Optical fiber gas sensor is too expensive to be used in engineering.
但由于产生窄带光源的反馈式激光器造价很高，因此没能够得到实际应用。
By means of pulse injection, the relation between lasing wavelength and chip temperature of distributed feedback laser (DFB-LD) has been obtained.
利用脉冲注入法测量了分布反馈激光器(DFB - LD)芯片温度与激射波长的关系。
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