[PDF][PDF] 光纤激光干涉测量技术在EFPI 传感器信号解调中的研究进展

江毅, 张树桓 - Laser & Optoelectronics Progress, 2021 - researching.cn
摘要光纤激光干涉技术是外腔式法布里-珀罗干涉仪(EFPI) 传感器动态信号解调的主要技术方案,
具有测量灵敏度高, 动态范围大, 测量频率范围宽等优点. 本文从外腔式法布里 …

Monitoring changes in the refractive index of gases by means of a fiber optic Fabry-Perot interferometer sensor

GZ Xiao, A Adnet, Z Zhang, FG Sun… - Sensors and Actuators A …, 2005 - Elsevier
We have developed a simple fiber optic Fabry-Perot interferometer (FPI) sensor that is used
to precisely monitor changes in the refractive index of gases. The operating principle of the …

Reviews on corrugated diaphragms in miniature fiber-optic pressure sensors

H Li, H Deng, G Zheng, M Shan, Z Zhong, B Liu - Applied Sciences, 2019 - mdpi.com
Corrugated diaphragms (CDs) have been widely used in many fields because of their higher
pressure sensitivity and wider linear range compared to flat diaphragms (FDs) in the same …

Interrogation of a suspended-core Fabry–Perot temperature sensor through a dual wavelength Raman fiber laser

AMR Pinto, O Frazão, JL Santos… - Journal of Lightwave …, 2010 - opg.optica.org
sThe interrogation of a Fabry–Perot cavity through a dual wavelength Raman fiber laser is
reported. The proposed sensing system is based on the use of a dual wavelength Raman …

Fiber-optic inclinometer based on taper Michelson interferometer

LMN Amaral, O Frazão, JL Santos… - IEEE Sensors …, 2011 - ieeexplore.ieee.org
A compact fiber-optic inclinometer based on a fiber-taper Michelson interferometric sensor is
constructed and demonstrated. The sensor consist of a single symmetrically taper waist of …

Faraday Michelson interferometers for signal demodulation of fiber-optic sensors

Y Liu, B Qi, DE Winder - Journal of Lightwave Technology, 2021 - opg.optica.org
We developed an all-fiber-based optical demodulator for the signal interrogation of low-
coherence fiber-optic Fabry–Perot interferometric sensors. The optical demodulator consists …

Phase demodulator for the measurement of extrinsic Fabry-Perot interferometric sensors with arbitrary initial cavity length

J Jia, Y Jiang, Y Cui - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
A phase demodulator for fiber optic extrinsic Fabry-Perot interferometric (EFPI) sensors is
proposed for dynamic signal (vibration, acoustic, etc.) measurements. Three interferometric …

Self-calibrated non-contact fibre-optic Fabry–Perot interferometric vibration displacement sensor system using laser emission frequency modulated phase generated …

PG Jia, DH Wang - Measurement Science and Technology, 2012 - iopscience.iop.org
In this paper, the principle of a self-calibrated non-contact fibre-optic Fabry–Perot
interferometric vibration displacement sensor (FOFPIVDS) system is described and …

Quadrature phase-shifted optical demodulator for low-coherence fiber-optic Fabry-Perot interferometric sensors

B Qi, DE Winder, Y Liu - Optics Express, 2019 - opg.optica.org
We demonstrate a quadrature phase-shifted optical demodulation scheme for low-
coherence fiber-optic Fabry-Perot interferometric sensors. The main part of the demodulator …

Optic fibre sensor for real-time damage detection in smart composite

R De Oliveira, O Frazão, JL Santos, AT Marques - Computers & Structures, 2004 - Elsevier
In this study an optical fibre sensor system was conceived for simultaneous detection of the
strain and the acoustic emission due to damage. It consists of a fibre Bragg grating and a …