Research on long period fiber grating transmission spectrum in uniform and non-uniform temperature fields

doi:10.13741/j.cnki.11-1879/o4.2014.05.016

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Research on long period fiber grating transmission spectrum in uniform and non-uniform temperature fields

更新时间：2025-09-01

- Research on long period fiber grating transmission spectrum in uniform and non-uniform temperature fields
- Vol. 40, Issue 5, Pages: 454-457(2014)
- 作者机构：
  
  1:哈尔滨师范大学物理与电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13741/j.cnki.11-1879/o4.2014.05.016
  CLC：
- Published：2014
- 稿件说明：
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Research on long period fiber grating transmission spectrum in uniform and non-uniform temperature fields[J]. 2014, 40(5): 454-457.
DOI：

Research on long period fiber grating transmission spectrum in uniform and non-uniform temperature fields[J]. 2014, 40(5): 454-457. DOI： 10.13741/j.cnki.11-1879/o4.2014.05.016.

摘要

从理论上推导了长周期光纤光栅在均匀温度场和非均匀温度场中透射谱的特性

并实验验证长周期光纤光栅在均匀温度场中和非均匀温度场的光谱特性。实验证明

随温度升高

光纤光栅谐振波中心向长波方向漂移

反之亦然

且漂移量与温度的变化量呈线性关系。在非均匀温度场中

当长周期光纤光栅的光栅两端温度差改变时

谐振波的3dB展宽呈线性递增趋势。

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