Spectral Demodulation of Fiber Bragg Grating Sensor Based on Deep
This paper presents a new method of demodulating the spectrum of fiber Bragg grating (FBG) based sensors by employing deep convolutional neural networks (DCNN).
Demodulation Algorithm for Fiber Bragg Grating Sensors
A demodulation algorithm is vital for a fiber Bragg grating (FBG) sensing system. In this paper, a novel demodulation algorithm based on the variable-step-size method and cross-correlation algorithm is
Design of Fiber Grating Demodulation System Based on Tunable F-P
In this paper, a photoelectric conditioning circuit for fiber Bragg grating demodulation is designed. The experimental results show that this method can accurately demodulate fiber Bragg
High-Speed Demodulation of weak FBGs Based on Microwave
Compared to traditional FBG wavelength demodulation technologies, this novel method provides many advantages such as higher speed and lower sampling rate. Experiments show that the system can
Improvement of Fiber Bragg Grating Wavelength Demodulation
Abstract: A high-performance, low-cost demodulation system is essential for fiber-optic sensor-based measurement applications. This paper presents a demodulation system for FBG sensors based on a
Demodulation algorithm for temperature and pressure
This study addresses the wavelength demodulation problem of the overlapping reflection spectrum of serial fiber Bragg gratings (FBGs) with nearly
Optical Phase/Frequency Demodulation using Polarization
Overall, despite a lot of past effort, there is still a need for a simple and robust FM/PM demodulation scheme that can achieve linear, wideband, and background-free operation. Here, we present a novel
Full article: Fiber Bragg grating demodulation through
The aim of this article is to introduce an innovative algorithm for the calculation of the shift of the maximum reflectivity wavelength of a Fiber Bragg
Demodulation of a Hydroacoustic Sensor Array of Fiber
We report on current theoretical and experimental results of hydroacoustic sensing array based on ultra-weak fiber Bragg gratings, using a modified phase generated carrier (PGC)
A demodulation method of high-speed fiber Bragg grating based on
However, the traditional fiber Bragg grating demodulation technology can hardly achieve high-speed demodulation of multiplexing gratings, which seriously limits its extensive application.
Design of Fiber Grating Demodulation System Based on Tunable F-P
Aiming at dynamic torque measurement system, fiber Bragg grating sensing principle is used to measure rotating shaft torque, and a fiber Bragg grating demodulation system based on
(PDF) Optical Phase/Frequency Demodulation Using
Our technique exploits the reflection characteristics of fiber Bragg gratings written in polarization-maintaining fibers to create a frequency
Fiber Bragg grating sensor demodulation technique by synthesis of
A twin grating is composed of two identical gratings separated by a short length of fiber. The demodulation technique has been tested experimentally with temperature sensors.
Sensing Demodulation from Degraded Spectra of Chiral Fiber Grating
As a new fiber structure with multiple degrees of freedom in both the parameter design and coupling selectivity, chiral long-period fiber grating (C-LPFG) becomes a promising optical fiber sensor.
Low-cost high-speed fiber optic grating demodulation
A low-cost high-speed demodulation system based on a fiber grating spectral filter has been developed to support strain and temperature sensing in
Discrimination methods and demodulation techniques for fiber Bragg
Fiber Bragg grating (FBG) sensors are one of the most exciting developments in the fields of fiber-optic sensors in recent years. One of the problems in using grating sensors is the
Fiber Bragg grating demodulation through innovative numerical
Since the Bragg wavelength is a function of the fiber equivalent refractive index and the grating period, any physical parameter able to influence such quantities can be ascertained. Variations of strain
Demodulation method for vibration sensors of ultra-weak Fiber Bragg
1. Introduction Ultra-weak Fiber Bragg grating (UWFBG) distributed vibration sensors have gained widespread adoption in perimeter security and structural health monitoring, thanks to their
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