Sensing properties of intrinsic Fabry-Perot interferometers in fiber tapers

Xiaobei Zhang; Jinlong Li; Yang Li; Wenyuan Wang; Fufei Pang; Yunqi Liu; Tingyun Wang

doi:10.1117/12.975454

7 November 2012 Sensing properties of intrinsic Fabry-Perot interferometers in fiber tapers

Xiaobei Zhang, Jinlong Li, Yang Li, Wenyuan Wang, Fufei Pang, Yunqi Liu, Tingyun Wang

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 842189 (2012) https://doi.org/10.1117/12.975454
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A sensing configuration of the fiber taper intrinsic Fabry-Perot interferometer (FTIFPI) was presented and developed. Direct inscription method of intrinsic Fabry-Perot interferometers in optical fiber tapers with a femtosecond laser has been fabricated experimentally. Fabry-Perot interferometers are firstly realized in the waist of fiber tapers. The experimental results indicate that the change in wavelength has a good linear relationship with temperature, while the fringe visibility keeps the same approximately. In the range of 0°C~100°C, the interference spectrum sensitivity is 12pm/°C. The fringe visibility decreases linearly with the liquid refractive index increasing, while extremes keep the same approximately.

Citation Download Citation

Xiaobei Zhang, Jinlong Li, Yang Li, Wenyuan Wang, Fufei Pang, Yunqi Liu, and Tingyun Wang "Sensing properties of intrinsic Fabry-Perot interferometers in fiber tapers", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842189 (7 November 2012); https://doi.org/10.1117/12.975454

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