High-pressure sensor based on fiber in-line Mach-Zehnder interferometer

W. Talataisong; D. N. Wang; R. Chitaree; C. R. Liao; C. Wang

doi:10.1117/12.2190520

28 September 2015 High-pressure sensor based on fiber in-line Mach-Zehnder interferometer

W. Talataisong, D. N. Wang, R. Chitaree, C. R. Liao, C. Wang

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96345B (2015) https://doi.org/10.1117/12.2190520
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

A fiber in-line Mach-Zehnder interferometer based on an inner air-cavity is presented for high-pressure measurement. The inner air-cavity is fabricated by use of femtosecond laser micromachining together with fusion splicing technique. A micro-channel is created on the top of the inner air-cavity to allow the high pressure gas to flow in. The fiber in-line device is featured with miniature size, good robustness and excellent operation stability while exhibiting a high pressure sensitivity of 8,239 pm/MPa.

Citation Download Citation

W. Talataisong, D. N. Wang, R. Chitaree, C. R. Liao, and C. Wang "High-pressure sensor based on fiber in-line Mach-Zehnder interferometer ", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96345B (28 September 2015); https://doi.org/10.1117/12.2190520

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