High Sensitivity Interferometric Refractive Index Sensor Based on Tapered Polarization-Maintaining Fiber

Long Chen; Kai Guo; Chen Jiang; Yuehui Ma; Yunqi Liu

doi:10.1109/csndsp54353.2022.9908029

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High Sensitivity Interferometric Refractive Index Sensor Based on Tapered Polarization-Maintaining Fiber

Long Chen Kai Guo Chen Jiang Yuehui Ma Yunqi Liu

Year: 2022 Journal: 2022 13th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP) Vol: 213 Pages: 657-661

DOI: 10.1109/csndsp54353.2022.9908029

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Abstract

We proposed an ultra-sensitive refractive index sensor based on a tapered polarization-maintaining fiber Mach-Zehnder Interferometer using a commercial CO2-laser heating system. The sensitivity of the sensor can be up to 7933.33 nm/RIU.

Keywords:

Interferometry Mach–Zehnder interferometer Materials science Refractive index Optics Fiber optic sensor Polarization (electrochemistry) Sensitivity (control systems) Optical fiber Graded-index fiber Polarization-maintaining optical fiber Optoelectronics Physics Electronic engineering Chemistry

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Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced Fiber Optic Sensors

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced Fiber Laser Technologies

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

High Sensitivity Interferometric Refractive Index Sensor Based on Tapered Polarization-Maintaining Fiber

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