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

Wen Ji; Shufen Chen; Lei FuZhengfeng ZouFanjun Rao

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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性能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。滤光片带宽小于0.1 nm，一个方向的损耗和背向反射指数分别为1.84 dB/18.60 dB和1.57 dB/20.78 dB，这些数字对环形激光陀螺仪具有很大的价值。通过使用该滤波器，可以在均匀展宽的增益介质中获得携带跳动信号的双向激光波。最后，得到并给出了锁相面积小于10度秒~（-1）的环形激光陀螺。

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来源
《Optical Engineering》 |2012年第5期|055001-1-055001-5|共5页
作者
Wen Ji; Shufen Chen; Lei FuZhengfeng ZouFanjun Rao;
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作者单位

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

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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
正文语种英语
中图分类计量学;
关键词
fiber optic sensors; filters; gyroscopes; two-wave mixing; backscattering;

机译：光纤传感器;过滤器;陀螺仪;两波混合;背散射;

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

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