用可调谐光纤激光器测量FBG法布里-珀罗干涉仪3db线宽

International Symposium on Precision Engineering Measurement and Instrumentation Pub Date : 2019-03-07 DOI:10.1117/12.2509936

Dajuan Lyu, Peide Liu, Yifei Ma, Wentao Zhang, Liangming Xiong

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引用次数: 0

摘要

本文提出了一种测量光纤Bragg光栅法布里-珀罗干涉仪频谱中锐峰3db线宽的简单方法。采用窄线宽可调谐激光器对FBG-FP进行扫描，获得反射光谱。采用三角波驱动窄线宽可调谐激光器。锐峰的线宽以0.001 pm的分辨率测量。

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Measurement of 3-dB linewidth of FBG Fabry-Perot interferometer using tunable fiber laser

We present a simple method to measure the 3 dB linewidth of the sharp peak in the spectrum of the fiber Bragg gratingbased Fabry–Perot (FBG-FP) interferometer. A narrow linewidth tunable laser is used for sweeping the FBG-FP to achieve the reflection spectrum. A triangle wave is used to drive the narrow linewidth tunable laser. The linewidth of the sharp peak is measured with a resolution of 0.001 pm.

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International Symposium on Precision Engineering Measurement and Instrumentation

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