Hydrostatic pressure sensor using two-core photonic crystal fiber

Zhengyong Liu; Ming-Leung Vincent Tse; Daru Chen; Chao Lu; Hwa-Yaw Tam

doi:10.1117/12.970388

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7 November 2012 Hydrostatic pressure sensor using two-core photonic crystal fiber

Zhengyong Liu, Ming-Leung Vincent Tse, Daru Chen, Chao Lu, Hwa-Yaw Tam

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Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 842170 (2012) https://doi.org/10.1117/12.970388
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

A hydrostatic pressure sensor based on a custom made two-core photonic crystal fiber (TC-PCF) is experimentally demonstrated. The TC-PCF was fabricated in our lab using standard PCF fabrication techniques. A hydrostatic pressure sensor based on the in-line fiber Mach-Zehnder interference is reported. The two solid cores of the TC-PCF separated by an air hole acted as the two arms in the interferometer. The pressure sensor has high repeatability and high sensitivity of -54.06 pm/MPa.

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Zhengyong Liu, Ming-Leung Vincent Tse, Daru Chen, Chao Lu, and Hwa-Yaw Tam "Hydrostatic pressure sensor using two-core photonic crystal fiber", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 842170 (7 November 2012); https://doi.org/10.1117/12.970388

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