Research on Key Technologies of Miniaturization of Fiber Bragg
In order to solve the problem of miniaturization of fiber grating sensor signal demodulation equipment, a SOPC miniaturization verification system based on FPGA
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Miniature Fiber Bragg Grating Arrayed Waveguide Grating
High-speed demodulation system of fiber Bragg grating based on
A demodulation system built upon the F-P filter has a relatively slow demodulation frequency, leading to demodulation errors when measuring high-frequency changing physical
Modular DAS demodulation system based on ultra-weak fibre Bragg
Aiming at the requirements of low power consumption, miniaturization, and massive data processing, a modular distributed optical fibre acoustic sensing (DAS) demodulation system based
Fiber Bragg Grating Intelligent Demodulator
The XH-FBG fiber grating temperature sensing product is a sensing detection system developed based on (Bragg) grating technology. It can measure the temperature of the measured part.
Demodulation of Fibre Bragg Grating Sensors by Using Cumulative
Fibre Bragg gratings are one of the most popular sensors with a huge number of applications. Their most important advantage is signal modulation consisting in shifting the spectrum
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
Miniature and low-power high-precision FBG interrogator with self
A compact fiber Bragg grating (FBG) interrogator, integrating an arrayed waveguide grating (AWG) chip, photodiode (PD) array, and demodulation circuits within an 85 × 60 × 40 mm³
Demodulation method for vibration sensors of ultra-weak fiber Bragg
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.
Fiber Bragg Gratings with Micro‐Engineered Temperature Coefficients
Fiber Bragg gratings (FBGs) are ubiquitous as sensors for a range of parameters and also as optical components in telecommunications systems. However, their temperature dependence
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