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Conferences > OFS > 2023 > W4 > W4.64

8-Shaped Birefringent Optical Fiber in Sagnac Interferometer for Low-Pressure Sensing

Lin Htein, Jingxian Cui, Dinusha Serandi Gunawardena, Xin Cheng, and Hwa-Yaw Tam

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Abstract

An 8-shaped birefringent optical fiber fabricated by mechanical milling is proposed for low pressure sensing based on the Sagnac interferometric technique. The sensor provides a sensitivity of 441 pm/kPa with an accuracy up to 2 Pa.

© 2023 The Author(s)

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