Compact Harmonic Vernier Sensor Based on an In-Fiber FPI with Three Reflector System for Simultaneous Gas Pressure and Temperature Measurement

Compact Harmonic Vernier Sensor Based on an In-Fiber FPI with Three Reflector System for Simultaneous Gas Pressure and Temperature Measurement

In this work, we proposed a sensitivity-enhanced temperature sensor, a compact harmonic Vernier sensor based on an in-fiber Fabry–Perot Interferometer (FPI), with three reflective interfaces for the measurement of gas temperature and pressure. FPI consists of air and silica cavities formulated by si...

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Bibliographic Details
Main Authors: Jinxiao Dan, Wenjie Dang, Zeren Li, Pengyu Nan, Guoguo Xin, Kok-Sing Lim, Harith Ahmad, Hangzhou Yang
Format: Article
Language:English
Published: MDPI AG 2023-04-01
Series:Sensors
Subjects:
optical fiber sensor
Vernier effect
gas pressure and temperature
Fabry–Perot interferometer
Online Access:https://www.mdpi.com/1424-8220/23/8/4142

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