High-Resolution Displacement Sensor Based on a Chirped Fabry-Perot Interferometer Inscribed on a Tapered Microfiber

被引：7

作者：

Lu, Zhong ^{[1
]}

Cao, Yuan ^{[1
]}

Wang, Guangying ^{[1
]}

Ran, Yang ^{[1
]}

Feng, Xinhuan ^{[1
]}

Guan, Bai-Ou ^{[1
]}

机构：

[1] Jinan Univ, Inst Photon Technol, Guangdong Prov Key Lab Opt Fiber Sensing & Commun, Guangzhou 510632, Guangdong, Peoples R China

来源：

APPLIED SCIENCES-BASEL | 2019年 / 9卷 / 03期

基金：

中国国家自然科学基金;

关键词：

optical fiber displacement sensor; Fabry-Perot Interferometer; tapered microfiber; BRAGG GRATINGS; STRAIN;

D O I：

10.3390/app9030403

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, a high-resolution optical fiber Fabry-Perot (FP) interferometer displacement sensor with chirped spectral characteristics based on a tapered microfiber is theoretically discussed and experimentally implemented. Instead of inscribing two fiber Bragg gratings (FBGs) on the symmetric position of the microfiber, we continuously inscribed one long FBG along the microfiber region to reduce the cavity length. The bandwidth of the interferometer is over 35 nm, and its displacement sensitivity is as high as 36.5 nm/mm at the tension state.

引用

页数：9

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