Optimization of the Fringe Contrast of an Interference Pattern of a Mach-Zehnder Interferometer and Its Use as a Curvature Sensor

S. Marrujo-García; I. Hernández-Romano; D. A. May-Arrioja; N. Cuando-Espitia; M. Torres-Cisneros; Vladimir P. Minkovich; D. Monzon-Hernández

doi:10.1364/SENSORS.2021.SM2A.5

OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES)
OSA Technical Digest (Optica Publishing Group, 2021),
paper SM2A.5
•https://doi.org/10.1364/SENSORS.2021.SM2A.5

Optimization of the Fringe Contrast of an Interference Pattern of a Mach-Zehnder Interferometer and Its Use as a Curvature Sensor

S. Marrujo-García, I. Hernández-Romano, D. A. May-Arrioja, N. Cuando-Espitia, M. Torres-Cisneros, Vladimir P. Minkovich, and D. Monzon-Hernández

Optical Sensors 2021

Washington, DC United States
19–23 July 2021
ISBN: 978-1-943580-90-3

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Optical Fiber Sensors I (SM2A)

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S. Marrujo-García, I. Hernández-Romano, D. A. May-Arrioja, N. Cuando-Espitia, M. Torres-Cisneros, V. P. Minkovich, and D. Monzon-Hernández, "Optimization of the Fringe Contrast of an Interference Pattern of a Mach-Zehnder Interferometer and Its Use as a Curvature Sensor," in OSA Optical Sensors and Sensing Congress 2021 (AIS, FTS, HISE, SENSORS, ES), S. Buckley, F. Vanier, S. Shi, K. Walker, I. Coddington, S. Paine, K. Lok Chan, W. Moses, S. Qian, P. Pellegrino, F. Vollmer, G. , J. Jágerská, R. Menzies, L. Emmenegger, and J. Westberg, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper SM2A.5.

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Abstract

A Mach-Zehnder curvature sensor with enhanced contrast based on lateral-offset splicing is proposed. The highest contrast was obtained at 2 µm lateral-offset. Using the Fourier Transform, amplitude changes were traced from 0 m^-1 to 2.68 m^-1.

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