光纤分束器对光学系统性能影响分析  

Analysis of Influence of Fiber Coupler on the Performance of Optical System

作　　者：林兆培 王玉宝 徐建学 吴建成 LIN Zhao-pei;WANG Yu-bao;XU Jian-xue;WU Jian-cheng(No.H Research Institute,China Electronics Technology Group Corporation,Shanghai,China)

机构地区：[1]中国电子科技集团公司第二十三研究所,上海

出　　处：《光电技术应用》2021年第3期26-29,共4页Electro-Optic Technology Application

摘　　要：光纤分束器因其多种优点大量应用于光纤通信、激光探测、光电传输等系统,随着光学系统性能的提升,对光纤分束器对光学系统性能影响提出更高要求。文中研究分析不同输入波长对1×2光纤分束器输出分光比的影响,同时通过光学系统输出消光比和1 h输出光功率稳定性测试,对比分析普通、保偏和单偏三种1×2光纤分束器对光学系统性能的影响,验证分析结果对光纤分束器应用于高性能光学工程系统起指导作用。Fiber coupler is widely used in optical fiber communication,laser detection,electro-optical transmission and other systems because of its many advantages.With the improvement of the performances of optical systems,higher requirements are put forward for the analysis of the influence of fiber coupler on the performances of optical systems.The influence of different input wavelength on the output splitting ratio of 1×2 fiber coupler is researched and analyzed.At the same time,by testing extinction ratio and one hour output power stability of the optical system,the influence of ordinary,polarization maintaining and single polarization 1×2 fiber coupler on the performance of optical system is compared and analyzed.The results can be used to guide the application of fiber coupler in high-performance optical engineering system.

关 键 词：光纤分束器 输出光分比 消光比 功率稳定性 

分 类 号：TN253[电子电信—物理电子学]