We have proposed a novel integrated optics fiber sensor for curvature and temperature measurement based on ring-core fiber (RCF) Bragg grating and Mac
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Fiber Bragg gratings (FBGs) are widely used as sensors for temperature, strain, and vibration measurement. However, current FBG
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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...
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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).
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Abstract: A high-performance, low-cost demodulation system is essential for fiber-optic sensor-based measurement applications. This paper presents a demodulation system for FBG sensors based on a
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This method realizes parallel writing technology for multi-core fibers, achieving a fiber Bragg grating (FBG) signal-to-noise ratio (SNR) of 20dB. The temperature and strain characteristics
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Abstract Fiber Bragg Grating (FBG) in-situ monitoring systems have become an effective tool for assisting with the high-precision molding and process optimization of carbon fiber-reinforced
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OEO-based optical fiber sensors convert the measurands into the electrical domain, where the demodulation speed is greatly improved. This advantage is attributed to the high-Q characteristic
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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
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Abstract: 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
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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
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A three-points tracking-based high-speed fiber Bragg grating (FBG) demodulation method based on wavelength-tunable laser is proposed. The wavelength-tunable laser scans just three
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This paper provides a brief overview of some of the techniques that have been used to support high speed measurements using fiber grating sensors over frequency ranges from 10s of kHz, to MHZ
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Ultra-weak Fiber Bragg Gratings (FBGs) are fabricated using time-division multiplexing (TDM) technology . This technique allows for the inscription of thousands of gratings with
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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
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Chen MQ, Zhou Z, Li H, Liu SY, Zhao Y (2025a) Research on temperature and strain sensing of a novel femtosecond laser-based three-core
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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
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To overcome this limitation, this research proposes an embedded fiber-reinforced polymer optical-fiber (FRP-OF) composite strain sensor based on Fiber Bragg Grating (FBG). The FRP-OF sensing rebar
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In this paper, a reflective semiconductor optical amplifier (RSOA) is configured to demodulate dynamic spectral shifts of a fiber Bragg grating (FBG)
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It uses a scanning narrow-band semiconductor laser as light source to perform high-resolution fiber grating demodulation in the range of 40nm. It is designed for static FBG measurement and can be
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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 d
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A multiparameter Brillouin fiber-optic sensor for distributed strain and temperature information measuring based on spontaneous scattering in a
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Abstract In this study, we developed a minimally invasive intravascular catheter integrating ultrasonic imaging with fiber Bragg grating (FBG)-based mechanical sensing. By co-integrating a high
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Fiber Bragg Gratings (FBG) draw considerable interests for their specifications as low sizes, easy mounting, remote sensing, sufficient to sense more than one or more parameters in the same line
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A notable example is the use of ML to resolve cross-sensitivity problems, such as distinguishing temperature from strain in a single Fiber Bragg
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