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Properties of a fiber-transmission filter based on Bragg grating and its applications in ring-laser gyros

机译:基于布拉格光栅的光纤传输滤波器的特性及其在环形激光陀螺仪中的应用

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摘要

A fiber transmission filter is proposed and experimentally explored. The bandwidth of the filter is less than 0.1 nm, the loss and back-reflection index is 1.84 dB/18.60 dB for one direction and 1.57 dB/20.78 dB for the other direction, figures which exhibit a great value for ring-laser gyros. By utilizing this filter, a bidirectional laser wave carrying a beating signal can be obtained in a homogeneously broadened gain medium. Finally, a ring-laser gyro with its lock-in area less than 10 deg sec−1 is obtained and presented.
机译:提出了一种光纤传输滤波器并进行了实验探索。滤波器的带宽小于0.1 nm,一个方向的损耗和背反射指数为1.84 dB / 18.60 dB,而另一个方向为1.57 dB / 20.78 dB,这些数字对于环形激光陀螺仪具有很大的价值。通过利用该滤波器,可以在均匀扩展的增益介质中获得携带跳动信号的双向激光波。最终,获得并展示了一种其锁定面积小于10度sec-1 的环形激光陀螺仪。

著录项

  • 来源
    《Optical Engineering》 |2012年第5期|p.1-6|共6页
  • 作者单位

    Beijing Institute of Technology, School of Optoelectronics, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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