Fiber Bragg gratings (FBGs) are widely used as sensors for temperature, strain, and vibration measurement. In this study, we proposed a silicon-on-insulator (SOI) chip to demodulate FBGs based. A demo...
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A temperature compensation grating is added to the traditional edge filtering demodulation system, and the differential signal of the two gratings is used to reflect the strain change.
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
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
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 eliminated.
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,
We report an Er-doped fiber laser for highresolution temperature sensing over a wide temperature range. The laser was constructed in a ring-cavity structure and was able to operate
A notable example is the use of ML to resolve cross-sensitivity problems, such as distinguishing temperature from strain in a single Fiber Bragg
Deep learning enables the integrated fiber sensing and measurement module to perform temperature sensing without requiring complex fiber structures. Prior studies typically rely on
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,
Fiber Bragg gratings are reflective structures in the core of an optical fiber with a periodic or aperiodic perturbation of the effective refractive index.
A parallel demodulation system for extrinsic Fabry-Perot interferometer (EFPI) and fiber Bragg grating (FBG) sensors is presented that is based on a Michelson interferometer and combines the methods
In-fiber Bragg grating filters continue to proliferate, and their applications expand with the rapid advancement of fiber optic component fabrication techniques. Mathematical models for the
In response, we propose a deep learning model based on a CNN-LSTM architecture, specifically crafted to tackle the challenges of high-precision
Here, an ultra-high-temperature sensor based on an SFBG, which was inscribed by a femtosecond laser line-by-line scanning technique and sealed in a sapphire tube infiltrated with argon gas, is proposed
To improve demodulation accuracy, this paper presents a type of AWG demodulation algorithm with temperature compensation.
Explore cutting-edge microring modulators and optical fiber Bragg gratings for ultra-low power photonic systems. Discover breakthrough technologies enabling sub-picojoule efficiency in high-speed optical
Force Sensing With 1 mm Fiber Bragg Gratings for Flexible Endoscopic Surgical Robots November 2019 IEEE/ASME Transactions on Mechatronics 25 (1):371 - 382 DOI:
A bare fiber Bragg grating (FBG) for temperature measurement, an FBG with lamellar polyimide (PI) coating for salinity measurement and a diaphragm-based extrinsic Fabry-Perot
Fiber Bragg grating (FBG) sensors have emerged as advanced tools for monitoring a wide range of physical parameters in various fields, including
Abstract Aiming at the problem that traditional peak-seeking algorithms cannot directly detect multiple reflections of Fiber Bragg Grating (FBG) sensing systems, this paper proposes a multi
Semantic Scholar extracted view of "A current mirror-based photoelectric detection circuit for tunable laser-driven fiber Bragg grating sensing systems" by Le Wang et al.
To obtain experimental data, measurements of the FBG in reflection mode placed in a temperature chamber with the possibility of temperature
This paper presents an innovative and efficient shape-sensing approach for optical fiber Bragg grating (FBG) arrays, employing the dual-comb spectroscopy (DCS) technique for demodulation.
Mentioning: 1 - Fiber Bragg gratings (FBGs) have been widely employed as a sensor for temperature, vibration, strain, etc. measurements. However, extant methods for FBG interrogation still face
It explains how these devices use optical fibers to measure quantities like temperature, mechanical strain, pressure, and vibrations by detecting changes
High-Temperature Stability and Demodulation Techniques Analysis of Sapphire Fiber Bragg Grating Sensor Published in: Journal of Lightwave Technology ( Volume: 43, Issue: 5, 01 March 2025 )
It examines quasi-distributed sensing approaches, including fiber Bragg gratings (FBGs), and addresses mitigation techniques for temperature-strain cross-sensitivity. A comparative analysis