High sensitivity pressure sensor based on a birefringent microfiber loop mirror

Wa Jin; Hai-Feng Xuan; Chao Wang; Wei Jin

doi:10.1117/12.2036196

15 October 2013 High sensitivity pressure sensor based on a birefringent microfiber loop mirror

Wa Jin, Hai-Feng Xuan, Chao Wang, Wei Jin

Proceedings Volume 8924, Fourth Asia Pacific Optical Sensors Conference; 89242Z (2013) https://doi.org/10.1117/12.2036196
Event: Asia Pacific Optical Sensors Conference 2013, 2013, Wuhan, China

Abstract

Highly birefringent (Hi-Bi) microfiber-based fiber loop mirrors (FLMs) are studied for gas pressure measurement. A elliptical microfiber is made by tapering a femtosecond laser-processed single mode fiber and demonstrated a very high birefringence of up to 10^-2 . The microfiber is housed within a pressure tube with which gas pressure measurement is carried out. The robust microfiber sensor demonstrates a pressure sensitivity of 6 pm/kPa with a temperature cross-sensitivity of less than 0.01 nm/K.

Citation Download Citation

Wa Jin, Hai-Feng Xuan, Chao Wang, and Wei Jin "High sensitivity pressure sensor based on a birefringent microfiber loop mirror", Proc. SPIE 8924, Fourth Asia Pacific Optical Sensors Conference, 89242Z (15 October 2013); https://doi.org/10.1117/12.2036196

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