Enhancement of temperature sensitivity of a Mach-Zehnder interferometer based on a polymer-overlaid microfiber

Min-Seok Yoon; Yoen Jun Kim; Soo Kyung Kim; Young-Geun Han

doi:10.1117/12.2192649

28 September 2015 Enhancement of temperature sensitivity of a Mach-Zehnder interferometer based on a polymer-overlaid microfiber

Min-Seok Yoon, Yoen Jun Kim, Soo Kyung Kim, Young-Geun Han

Author Affiliations +

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96345J (2015) https://doi.org/10.1117/12.2192649
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

A simple technique to effectively enhance the temperature sensitivity of the Mach-Zehnder interferometer (MZI) by using a microfiber with low index polymer coating is theoretically and experimentally investigated. We successfully improve the temperature sensitivity of the polymer-overlaid microfiber MZI to be -6.68 nm/°C around a temperature of 25°C, which is 13 times higher than that of the microfiber MZI without polymer coating. A linear temperature sensitivity of 10.44 pm^-1/°C was achieved in the spatial frequency domain after Fourier transform.

Citation Download Citation

Min-Seok Yoon, Yoen Jun Kim, Soo Kyung Kim, and Young-Geun Han "Enhancement of temperature sensitivity of a Mach-Zehnder interferometer based on a polymer-overlaid microfiber", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96345J (28 September 2015); https://doi.org/10.1117/12.2192649

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