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
We demonstrate the dynamic demodulation ability of the TFBG by measuring the transient wave propagation on a square aluminum solid with an out-of-plane point-wise fiber Bragg grating
This study presents a three-points tracking-based high-speed fiber Bragg grating demodulation method based on wavelength-tunable laser. In the proposed method, the wavelength
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
A novel high-speed fiber Bragg grating demodulation method is proposed and demonstrated in this paper. Large dispersion will be generated when light going through the long
Our technique exploits the reflection characteristics of fiber Bragg gratings written in polarization-maintaining fibers to create a frequency discriminator, which is able to convert PM/FM signals into
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,
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
A novel approach to fibre Bragg grating spectra processing is proposed. The method is based on the use of nonlinear filtration and raising the
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
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
Fibre Bragg gratings are one of the most popular sensors with a huge number of applications. Their most important advantage is signal modulation
A low-cost high-speed demodulation system based on a fiber grating spectral filter has been developed to support strain and temperature sensing in
To address this issue, a demodulation system utilizing MEMS mirrors is proposed, involving constructing a demodulation system based on MEMS mirrors.
Request PDF | Fiber Bragg grating balanced DPSK demodulation | We propose and experimentally demonstrate the utilization of a uniform-FBG for balanced DPSK demodulation. The
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).
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
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
A novel scheme for demodulating frequency-modulated optical signals is proposed. It uses polarization-maintaining fiber Bragg grating (PM-FBG) as a frequency discriminator. The basic principle and
A simple all optical fibre wavelength shift detection scheme, for use with fibre Bragg grating sensing systems, is described. The system is based on the use of a wavelength division coupler
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
Fiber Bragg gratings (FBGs) are widely used as sensors for temperature, strain, and vibration measurement. However, current FBG demodulation methods face issues with stability, size,
Here, we present a simple, compact, and robust technique featuring high linearity over a wide bandwidth and low background noise.
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
Our technique exploits the reflection characteristics of fiber Bragg gratings written in polarization-maintaining fibers to create a frequency
To meet the needs of accelerometers for seismic wave monitoring in the field of low-frequency oil exploration, a Fiber Bragg Grating (FBG) low-frequency accelerometer based on spring
XH-FBG fiber grating temperature sensing product is a sensing detection system developed based on (Bragg) grating technology.
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