The lens-coupling system with high coupling efficiency has been put into theoretical calculation, simulation and experimental research. Then base on beam propagation method (BPM), the characteristics of photonic crystal fiber grating in fiber grating cavity is researched.
对具有高耦合效率的透镜耦合系统进行了理论计算、软件仿真与实验研究。
参考来源 - 光子晶体光纤的特性及其应用于光纤激光器中的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
高斯光束在光纤间的透镜耦合是耦合方式中较为常用的一种。
The lens coupling of Gaussian beam between optical fibers is a common technique.
本文主要讨论大功率宽发射域半导体激光器的多模光纤微透镜耦合。
The main topic in the thesis is the coupling the coupling between the high power single emitter broad area diode laser and micro lensed multimode fiber.
CCD与光纤阵列之间采用反射镜和透镜耦合方式，使CCD避开中子源直接辐照。
To avoid direct radiation from neutrons, the CCD is coupled to the array by a mirror and lens optics.
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