单模光纤耦合器的传输光谱温度特性

李彦; 章敏; 李立京; 杨德伟

单模光纤耦合器的传输光谱温度特性

北京航空航天大学, 仪器科学与光电工程学院, 北京 100191

基金项目: 国家自然科学基金资助项目(60207002)

详细信息

中图分类号: O434.19
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出版历程
- 收稿日期: 2011-04-02
- 网络出版日期: 2012-06-30

Transmitting spectra-temperature characteristic of single-mode fiber coupler

School of Instrument Science and Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 在温变条件下,对光纤光源发出光波经单模光纤耦合器传输后的输出光谱进行了测试.借助测试结果,仿真计算了耦合器的透射光波和耦合光波分别进入Sagnac干涉仪后干涉仪输出信号的误差随温度的变化情况.结果表明:当环境温度发生变化时,耦合器透射光波和耦合光波的平均波长和功率都会发生变化,且透射光波的平均波长和功率的温度稳定性远远高于耦合光波的稳定性;当透射光波作为干涉仪输入光波时,由温变引起的干涉仪输出误差比耦合光波作为输入光波时的误差小一个数量级.
- 光纤耦合器 /
- 光谱 /
- 稳定性 /
- 光纤陀螺
Abstract: The output spectra of fiber sources which transmitted through a single-mode fiber coupler were measured by changing temperature. When the input wave of Sagnac interferometer from the fiber coupler were transmitting wave and coupling wave respectively, the temperature characteristics of signal-errors outputted from Sagnac interferometer were simulated. The above experimental results demonstrate that the output power and mean-wavelength of the spectra traveling through the arm of directly-transmission and that of the coupling of coupler will both change when the temperature changes. And the temperature-stability of output power and mean-wavelength of the directly-transmission arm is higher than that of the coupling arm. The simulated results demonstrate that the interferometers errors caused by the light wave outputting from the directly-transmission arm of SM fiber coupler are one order smaller than that of the coupling arm.
- fiber coupler /
- spectrum /
- stability /
- fiber-optic gyroscope

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参考文献(12)

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