Jun 25, 2026
Fiber Bragg grating (FBG) sensors have been rapidly considered as excellent sensor elements since they were first demonstrated for strain and temperature measurement . In addition
Feb 08, 2026
A system of fiber Bragg grating (FBG) temperature sensing demodulation based on light power detection is proposed in this paper. Compared with the traditional demodulation method based
Nov 11, 2025
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
Oct 15, 2025
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
May 30, 2026
Member, IEEE .ilbstract-We demonstrate a novel sensor which uses the difference in strain and temperature response of fiber Bragg gratings and a long period fiber grating to discriminate between
Dec 08, 2025
Product Overview of OFSCN® Fiber Bragg Grating Interrogator The OFSCN® Fiber Bragg Grating (FBG) Demodulator is a flagship optoelectronic
Nov 27, 2025
A novel approach to fibre Bragg grating spectra processing is proposed. The method is based on the use of nonlinear filtration and raising the
Aug 11, 2025
Keywords: fiber Bragg grating, demodulation algorithm, variable step size, correlation coeficient A demodulation algorithm is vital for a fiber Bragg grating (FBG) sensing system. In this paper, a novel
Jan 13, 2026
In this paper, a novel demodulation method for vibration sensors based on ultra-weak fiber Bragg grating (FBG) using a self-referencing signal and DBN is proposed.
Jan 25, 2026
Abstract: This paper presents a fast demodulation algorithm to determine fiber Bragg grating (FBG) from spectra acquired by low wavelength resolution spectrometers.
Apr 24, 2026
Existing studies indicate that research on low-power fiber grating demodulators remains insufficient, with demodulation speed often compromised
Aug 30, 2025
Abstract To solve the problem of tunable semiconductor lasers in a multichannel Fiber Bragg Grating (FBG) real-time demodulation system, where the milliwatt output power limits channel
Sep 07, 2025
A miniaturized, low-cost, 4-channel fiber Bragg grating (FBG) interrogation system for real-time remote monitoring is presented in this paper. A superluminescent light emitting diode (SLED) as
Apr 28, 2026
Simulation and experimental findings demonstrate that FMD can effectively eliminate the information of environmental noise and temperature, and greatly retain vibration information. In the
Jun 28, 2026
Fiber Bragg grating demodulation through innovative numerical procedures Giuseppe Dinardo Department of Mechanics, Mathematics and
Jun 19, 2026
This paper presents a new method of demodulating the spectrum of fiber Bragg grating (FBG) based sensors by employing deep convolutional neural networks (DCNN). As a proof of
Apr 14, 2026
Optical Phase/Frequency Demodulation using Polarization-Maintaining Fiber Bragg Gratings Dipen Barot, Member, Optica, Rui Zhou, Student Member, Optica, and Lingze Duan, Senior Member, IEEE,
Oct 22, 2025
This paper presents a novel sensing system that enhances the measurability of the strain applied to a fiber Bragg grating (FBG) sensor by exploiting a tunable demodulator (TD). The system is simple and
Jul 01, 2026
A high-performance, low-cost demodulation system is essential for fiber-optic sensor-based measurement applications. This paper presents a
Jul 24, 2025
A three-points tracking-based high-speed fiber Bragg grating (FBG) demodulation method based on wavelength-tunable laser is proposed. The wavelength-tunable laser scans just three
Nov 08, 2025
We propose a novel fiber Bragg grating (FBG) sensor demodulator using fiber birefringence. The demodulator is composed of a polarizing beam splitter (PBS), a polarization controller (PC), and a
Feb 15, 2026
In this study, we propose a demodulator for fiber Bragg grating (FBG) ultrasonic sensor array using arrayed waveguide grating (AWG). Wavelength modulation in the FBG center
Sep 19, 2025
An approach to the interrogation of a linearly chirped fiber Bragg grating (LCFBG) sensor using a linearly frequency-modulated (or chirped) optical waveform (LFMOW) with a high resolution is
Mar 16, 2026
The vibration measurement of spacecraft structures in space applications has raised higher requirements for the demodulation frequency of the fiber Bragg grating (FBG) demodulator. In
Nov 29, 2025
Research on Demodulation System for Fiber Bragg Grating Sensor Based on Tunable Laser Light Abstract: In order to measure the signals greater than kHz such as vibration, high frequency strain
Apr 14, 2026
Aiming at the requirements of low power consumption, miniaturization, and massive data processing, a modular distributed optical fibre acoustic sensing (DAS) demodulation system based
Oct 29, 2025
A multiple fiber Bragg grating structure is proposed for optimal demodulation of differential phase shifting keys (DPSK) optical signals. Specific grating design and synthesis are presented for
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