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

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

doi:10.1117/12.2509936

7 March 2019 Measurement of 3-dB linewidth of FBG Fabry-Perot interferometer using tunable fiber laser

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

Proceedings Volume 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation; 1105309 (2019) https://doi.org/10.1117/12.2509936
Event: 10th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI 2018), 2018, Kunming, China

Abstract

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.

Citation Download Citation

Dajuan Lyu, Peide Liu, Yifei Ma, Wentao Zhang, and Liangming Xiong "Measurement of 3-dB linewidth of FBG Fabry-Perot interferometer using tunable fiber laser", Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 1105309 (7 March 2019); https://doi.org/10.1117/12.2509936

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