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Fiber Coupled Plane Mirror Heterodyne Laser Interferometer with Two Phase Locked Loop Coupled He-Ne Lasers

机译:带有两相锁相环氦氖激光器的光纤耦合平面镜外差激光干涉仪

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This article presents the setup of a fiber coupled two frequency laser interferometer with a pair of two phase locked loop (PLL) coupled lasers for precision metrological measurement tasks.The laser system consists of two He-Ne laser tubes which are frequency offset coupled by a PLL control system.This laser source and the interferometer head are connected by two optical fibers,one fiber per laser.The interferometer head has the typical plane mirror Michelson configuration and a very compact design.First measurement results are shown.
机译:本文介绍了光纤耦合两频激光干涉仪的设置以及一对两相锁相环(PLL)耦合激光的精确计量测量任务。该激光系统由两个He-Ne激光管组成,它们通过频率偏移耦合。 PLL控制系统。该激光源和干涉仪头通过两根光纤连接,每根激光器一根光纤。干涉仪头具有典型的平面镜迈克尔逊配置和非常紧凑的设计。显示了首次测量结果。

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