High sensitivity inline fiber Mach-Zehnder interferometer bend sensor using a twin core fiber

Aissa Harhira; Jerome Lapointe; Raman Kashyap

doi:10.1117/12.866471

8 September 2010 High sensitivity inline fiber Mach-Zehnder interferometer bend sensor using a twin core fiber

Aissa Harhira, Jerome Lapointe, Raman Kashyap

Proceedings Volume 7653, Fourth European Workshop on Optical Fibre Sensors; 765315 (2010) https://doi.org/10.1117/12.866471
Event: (EWOFS'10) Fourth European Workshop on Optical Fibre Sensors, 2010, Porto, Portugal

Abstract

A novel Mach-Zehnder interferometer based on a multimode fiber combined with a twin-core fiber is proposed. The section of twin-core fiber is spliced between a section of multimode fiber and a single mode fiber. The curvature induced wavelength shifts on the interference fringes is experimentally monitored. A blue shift is observed. This device is simple to fabricate, and is used as a bend sensor with good sensitivity.

Citation Download Citation

Aissa Harhira, Jerome Lapointe, and Raman Kashyap "High sensitivity inline fiber Mach-Zehnder interferometer bend sensor using a twin core fiber", Proc. SPIE 7653, Fourth European Workshop on Optical Fibre Sensors, 765315 (8 September 2010); https://doi.org/10.1117/12.866471

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