Latest Updates Fiber Bragg Grating Intelligent Demodulator
XH-FBG fiber grating temperature sensing product is a sensing detection system developed based on (Bragg) grating technology.
Latest Updates Effects of fiber Bragg grating design on dual-grating demodulation
Here, by applying the coupled-mode theory, influences of FBG design parameters such as grating length, refractive index modulation depth, and apodization type on the dual-grating
Latest Updates The Demodulation System of Fiber Bragg Grating Based on Edge Filter
The coupled principle of LPG is that, the coupling between the forward transmission mode and the core of the optical fiber can lead to attenuation of the specific wavelength , and it
Latest Updates 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
Latest Updates Fiber Bragg grating (FBG)-based sensors: a review of
This review paper aims to give a general understanding of the basic principles of FBG sensors, advances in sensing and data processing techniques,
Latest Updates Research and Implementation of Super High-Speed Fiber Bragg Grating
A super high-speed fiber grating demodulator capable of simultaneously demodulating four grating channels is designed. The demodulator uses Fourier domain mode locked laser which consists of a
Latest Updates Design of a large-capacity fiber Bragg grating demodulation system
To achieve synchronous demodulation of a large-capacity Fiber Bragg Grating (FBG) sensor network, a FBG demodulation system based on modulated grating Y-branch (MG-Y) tunable laser is designed,
Latest Updates (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
Latest Updates Demonstration of a Filterless, Multi-Point, and Temperature
We demonstrated in this work a filterless, multi-point and temperature-independent FBG (fiber Bragg grating) dynamical demodulator using pulse-width-modulation (PWM).
Latest Updates Hardware Design of Data Acquisition and Processing Module of Fiber
The demodulation methods of fiber Bragg grating sensing signal mainly include wavelength demodulation, frequency demodulation, phase demodulation, intensity demodulation and polarization
Latest Updates Strength Monitoring Technology of Loess Slope Based on Distributed
This study first analyzes the distributed in-situ monitoring method that combines the active heating fiber method of the water field with Bragg grating, and then constructs a loess slope strength monitoring
Latest Updates Design of Fiber Grating Demodulation System Based on Tunable
In this paper, the demodulation system of fiber Bragg grating is designed by using the demodulation method of tunable F-P filter, and the effect of hysteresis and creep of piezoelectric ceramics is
Latest Updates Optical Phase/Frequency Demodulation using Polarization
Here, we present a simple, compact, and robust technique featuring high linearity over a wide bandwidth and low background noise.
Latest Updates 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
Latest Updates Development of a fiber Bragg grating single-point temperature
Mentioning: 1 - Development of a fiber Bragg grating single-point temperature sensor based on fixed filter demodulation technique - Oliveira, Rodrigo Pereira de, Nazaré, Fábio Vieira Batista de,
Latest Updates Demodulation method for vibration sensors of ultra-weak Fiber Bragg
Simulation and experimental findings demonstrate that FMD can effectively eliminate the information of environmental noise and temperature, and greatly retain vibration information. In the
Latest Updates 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
Latest Updates Demodulation Algorithm for Fiber Bragg Grating Sensors
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
Latest Updates Fabrication and Applications of Fiber Bragg Grating
Abstract: In this paper, the brief introduction of Fiber Bragg Grating, its significant applications, sensing principles, properties, fabrication and the basic designing of FBG have been discussed. FBG''s are
Latest Updates Fiber Bragg Grating Force Sensors for Minimally Invasive Surgery:
This article reviews the application of fiber Bragg grating (FBG) technology for precise force sensing in minimally invasive surgery. It outlines the fundamental working principles and algorithms use...
Latest Updates Microsoft Word
Therefore, before entering the theory of fiber Bragg grating itself, it is worth to go back one century behind in order to review the Bragg law. Sir William Lawrence Bragg, was born in 1890, a British
Latest Updates Optical Phase/Frequency Demodulation using Polarization
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,
Latest Updates Fiber Bragg Grating Sensors
A variation of the period of the grating inscripted in a fiber optic – induced by mechanical or thermal perturbation – causes a shift of the reflected peak wavelength, due to the related optical path length
Latest Updates Fiber Bragg grating sensor demodulation technique by synthesis of
In the case of twin Bragg gratings, the parameters to be adjusted to reconstruct the reflection spectrum are the length, the period, the index modulation of each grating and also the
Latest Updates A Novel Frequency-Modulation (FM) Demodulator for
It uses polarization-maintaining fiber Bragg grating (PM-FBG) as a frequency discriminator. The basic principle and preliminary results of linearity
Latest Updates Design of a single-multimode-single-mode filter demodulator for fiber
We propose a simple analysis of a single-multimode-single-mode fiber (SMSMF) filter by observing the excited modes in multimode fiber (MMF). The method is used to design a SMSMF filter...
Latest Updates Fiber Bragg grating demodulation through innovative numerical
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 Grating experiencing an applied strain.
Latest Updates A Tracking-Based High-Speed Demodulation Method for Fiber Bragg
In this article, a tracking-based high-speed demodulation method for FBG sensing systems based on the wavelength-tunable laser is proposed. The wavelength-tunable laser only