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
FPGA low-power fiber grating demodulation system based on
To address this need, a low-power tunable laser-based fiber grating demodulator has been developed in this paper, employing a variable step-length laser scanning strategy based on
Discrimination methods and demodulation techniques for fiber Bragg
In particular, developments utilizing specially modified or tailored gratings, intra-grating concepts, multimode gratings, polarization rocking filters, long period gratings, phase shifted devices,
An optimized strain demodulation method based on
An optimized strain demodulation method based on dynamic double matched fiber Bragg grating (FBG) filtering driven by a piezoelectric transducer (PZT) is proposed and experimentally
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 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
Effects of fiber Bragg grating design on dual-grating demodulation
Dual-grating demodulation has been both effective and simple in most fiber Bragg grating (FBG) sensors because it involves self-demodulation, and in theory, temperature effects are
Fibre Bragg Grating Wavelength Shift Demodulation with Filtering
A novel approach to fibre Bragg grating spectra processing is proposed. The method is based on the use of nonlinear filtration and raising the spectrum value to the second power.
High Resolution Demodulation of Fiber Bragg Grating via
This paper introduces a computationally efficient Logarithmic Gaussian Levenberg-Marquardt (LGLM) algorithm for FBG demodulation, which significantly enhances system stability and improves range
Research and application of FP and MZ fiber Bragg grating demodulation
FP scan method amalgamated non-balance M-Z method is advanced.The GC with FP standard cavity is used in wavelength demarcation technique,and the yawp of photoelectricity detection of
Research and application of FP and MZ fiber Bragg grating
Research and application of FP and MZ fiber Bragg grating demodulation technique
Research status of sensor demodulation technology of fiber grating
The development direction of fiber Bragg grating demodulation technology is multi-channel synchronous stable high frequency demodulation.
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
High-Speed Demodulation of weak FBGs Based on Microwave
A high speed quasi-distributed demodulation method based on the microwave photonics and the chromatic dispersion effect is designed and implemented for weak fiber Bragg gratings (FBGs).
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
Research and application of FP and MZ fiber Bragg grating
A scheme of fiber Bragg grating (FBG) wavelength demodulation based on reflective semiconductor optical amplifier (R-SOA) is proposed and demonstrated.
