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探索一种新型光电干扰技术自由谐振腔激光器,它利用光学系统的“猫眼”效应,将其作为激光谐振腔的一面腔镜,和本地后向反射镜组成一个大腔长的激光谐振腔实现激光谐振。从激光谐振腔的基本原理出发,建立了自由谐振腔激光器的理论模型,用Fox-Li迭代算法模拟了该谐振腔内的激光谐振过程;计算了后向反射镜误差,“猫眼”系统离焦,对准误差,激光增益介质热效应等因素对谐振腔模式的影响。
A new type of free-resonant cavity laser with photoelectric interference technology is explored. It utilizes the “cat’s eye” effect of the optical system as a cavity mirror of the laser cavity and a large cavity length laser cavity with a local retroreflector Achieve laser resonance. Based on the principle of laser resonator, a theoretical model of free resonator laser was established. The laser resonant process in the resonator was simulated by Fox-Li iterative algorithm. The back-mirror error, Defocus, alignment error, laser gain medium thermal effects and other factors on the cavity mode.