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An all-fiber Fabry-Perot sensor for wide-range static and dynamic pressure measurement

LEXING XUE1,2,* , WEN PAN1, ZIHAO GAO2, RUIXIANG CHEN2, HAIBIN CHEN2,3

Affiliation

  1. Xi’an Modern Chemistry Research Institute, Xi’an 710065, China
  2. School of Optoelectronic Engineering, Xi’an Technological University, Xi’an 710021, China
  3. National Key Laboratory of Energetic Materials, Xi’an 710065, China

Abstract

To address the demands for high-precision and wide-range pressure measurement, an all-fiber diaphragm-type Fabry-Perot pressure sensor was designed. Based on principles and simulation experiments, static pressure calibration and dynamic pressure measurement systems were set up to evaluate the sensing performance. Experimental results exhibit a wavelength sensitivity of 96.4 pm/MPa and a cavity length sensitivity of 5.14 nm/MPa in static pressure range of 0 ~ 60 MPa. In dynamic pressure measurements, shock wave signals were captured with a measured pressure peak of 4.02 MPa and a rise time of 114 ns. The sensor is suitable for high-temperature oil monitoring and others..

Keywords

Fabry-Perot interferometer, Fiber-optic sensor, Pressure measurement.

Submitted at: Aug. 5, 2025
Accepted at: April 6, 2026

Citation

LEXING XUE, WEN PAN, ZIHAO GAO, RUIXIANG CHEN, HAIBIN CHEN, An all-fiber Fabry-Perot sensor for wide-range static and dynamic pressure measurement, Journal of Optoelectronics and Advanced Materials Vol. 28, Iss. 3-4, pp. 102-114 (2026)