High-birefringence photonic crystal fiber Michelson interferometer with cascaded fiber Bragg grating for pressure and temperature discrimination

Xiaoling Tan; Youfu Geng; Xuejin Li

doi:10.1117/1.OE.55.9.090508

22 September 2016 High-birefringence photonic crystal fiber Michelson interferometer with cascaded fiber Bragg grating for pressure and temperature discrimination

Xiaoling Tan, Youfu Geng, Xuejin Li

Author Affiliations +

Optical Engineering, Vol. 55, Issue 9, 090508 (September 2016). https://doi.org/10.1117/1.OE.55.9.090508

Abstract

A simple and compact interferometer for temperature and pressure discrimination is proposed and demonstrated experimentally. It consists of a short section of high-birefringence photonic crystal fiber (Hi-Bi PCF) and a cascaded fiber Bragg grating (FBG). In the Hi-Bi PCF, two orthogonal polarized modes are employed as optical arms to construct, such as a Michelson interferometer. Combined with a cascaded FBG, pressure and temperature measurements are discriminated by a matrix method, and the pressure sensitivity of Hi-Bi PCF is determined to be around 3.65 nm/MPa. The proposed Michelson interferometer is easy-to-fabricate, flexible, and low-cost, which shows great potential in future applications of remote sensing.

Citation Download Citation

Xiaoling Tan, Youfu Geng, and Xuejin Li "High-birefringence photonic crystal fiber Michelson interferometer with cascaded fiber Bragg grating for pressure and temperature discrimination," Optical Engineering 55(9), 090508 (22 September 2016). https://doi.org/10.1117/1.OE.55.9.090508

Published: 22 September 2016

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