高平均波长稳定性超荧光光纤光源

陈倚竹; 张海涛; 巩马理; 王东生; 闫平

doi:10.7510/jgjs.issn.1001-3806.2014.01.015

高平均波长稳定性超荧光光纤光源

1.
清华大学精密仪器系, 北京 100084

作者简介: 陈倚竹（1989- ），女，硕士研究生，现主要从事高稳定性超荧光光纤光源的研究。.

通讯作者: 张海涛, zhanghaitao@mail.tsinghua.edu.cn ;

基金项目:
国家自然科学基金资助项目（61077034）
中图分类号: O439

A superfluorescent fiber source with high mean wavelength stability

1.
Department of Precision Instrument, Tsinghua University, Beijing 100084, China

Corresponding author: ZHANG Haitao, zhanghaitao@mail.tsinghua.edu.cn ;

CLC number: O439

摘要: 光纤陀螺要求其光源具有高功率、宽谱输出，同时在大温度范围内仍具有好的平均波长稳定性。为了满足-45℃~70℃大温度范围的应用需求，采用双程后向抽运、法拉第旋转反射、带通滤波等技术手段，对光纤材料和器件进行大温区全局优化，以改善超荧光光纤光源的平均波长稳定性。理论分析了不同中心波长和带宽的带通滤波器以及光纤长度等参量对平均波长稳定性的改善效果，以及和光谱带宽的关系。按照设计结果选择滤波、光纤长度等参量，通过对-45℃~70℃全温区范围进行系统全局优化设计，得到输出功率为32mW，功率稳定性为0.65%，光谱带宽为12.5nm，光源平均波长变化量为23.5×10-6。结果表明，平均波长稳定性在0.5×10-6/℃以下的高稳定性超荧光光纤光源中，32mW输出功率非常高；所得的0.2×10-6/℃是115℃大温差范围、30mW以上超荧光光纤光源中非常优异的平均波长稳定性指标，满足光纤陀螺对光纤光源的要求。
- 光纤光学 /
- 超荧光光纤光源 /
- 光纤滤波器 /
- 双程后向结构 /
- 平均波长稳定性
Abstract: Interferometric fiber-optic gyroscopes require the optical sources should have high output power, broad bandwidth, as well as good mean wavelength stability within a large temperature range. To meet the temperature demands from -45℃ to 70℃, a bandpass filter as well as a Faraday rotation mirror was incorporated in the double-pass backward Er-doped superfluorescent fiber source, which, together with the optimization of the performance of fiber and other optical components in such a large temperature range, improved the output mean wavelength of the superfluorescent fiber source a lot. The effects of filters with different central wavelengths and bandwidths, as well as fiber length on mean wavelength stability and output bandwidth were modeled. Based on the simulation result about bandpass filters and fiber length, after optimizing the whole superfluorescent fiber source, the output power reached 32mW; the output bandwidth was 12.5nm. From -45℃ to 70℃, the mean wavelength variation of the superfluorescent fiber source was controlled to 23.5×10-6, and the output power variation was 0.65%. According to the investigation, among all superfluorescent fiber sources with mean wavelength stability lower than 0.5×10-6/℃, the 32mW output power is pretty high; the thermal coefficient of 0.2×10-6/℃ is also an excellent result reported for a whole superfluorescent fiber source with output power above 30mW in the 115℃ temperature range, which satisfies the demands of interferometric fiber-optic gyroscopes.
- fiber optics /
- superfluorescent fiber source /
- fiber filter /
- double-pass backward configuration /
- mean wavelength stability

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高平均波长稳定性超荧光光纤光源

作者简介: 陈倚竹（1989- ），女，硕士研究生，现主要从事高稳定性超荧光光纤光源的研究。.

通讯作者: 张海涛, zhanghaitao@mail.tsinghua.edu.cn ;

A superfluorescent fiber source with high mean wavelength stability

Corresponding author: ZHANG Haitao, zhanghaitao@mail.tsinghua.edu.cn ;

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高平均波长稳定性超荧光光纤光源

通讯作者: 张海涛, zhanghaitao@mail.tsinghua.edu.cn;

作者简介: 陈倚竹（1989- ），女，硕士研究生，现主要从事高稳定性超荧光光纤光源的研究。

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A superfluorescent fiber source with high mean wavelength stability

Corresponding author: ZHANG Haitao, zhanghaitao@mail.tsinghua.edu.cn

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留言板

高平均波长稳定性超荧光光纤光源

作者简介: 陈倚竹（1989- ），女，硕士研究生，现主要从事高稳定性超荧光光纤光源的研究。.

通讯作者: 张海涛, zhanghaitao@mail.tsinghua.edu.cn ;

A superfluorescent fiber source with high mean wavelength stability

Corresponding author: ZHANG Haitao, zhanghaitao@mail.tsinghua.edu.cn ;

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高平均波长稳定性超荧光光纤光源

通讯作者: 张海涛, zhanghaitao@mail.tsinghua.edu.cn;

作者简介: 陈倚竹（1989- ），女，硕士研究生，现主要从事高稳定性超荧光光纤光源的研究。

English Abstract

A superfluorescent fiber source with high mean wavelength stability

Corresponding author: ZHANG Haitao, zhanghaitao@mail.tsinghua.edu.cn

全文HTML

目录