Latest Updates Improving the Sensitivity of the Sensing Interrogation System
While optical fiber MZI-based sensing approaches offer many advantages, the reported interrogation techniques rely on wavelength and optical power detection. Therefore, the
Latest Updates Fiber Bragg Gratings
Fiber Bragg gratings are reflective structures in the core of an optical fiber with a periodic or aperiodic perturbation of the effective refractive index.
Latest Updates Design of Fiber Grating Demodulation System Based on Tunable F-P
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
Latest Updates Monitoring of concrete shrinkage and creep using Fiber Bragg Grating
It is obvious that both strain and thermal changes of the sensing region will effect on the Bragg grating wavelength shift. For strain measurement in concrete structures, load is transferred
Latest Updates Demodulation of Fibre Bragg Grating Sensors by Using
Fibre Bragg gratings are one of the most popular sensors with a huge number of applications. Their most important advantage is signal modulation
Latest Updates 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
Latest Updates A novel guided wave testing method for identifying rail web cracks
In the experimental part, a rail segment with a vertical crack is installed with a fiber Bragg grating (FBG) sensor to receive UGW. The reconstructed signals confirm the effectiveness of our
Latest Updates Application on Demodulation of FBG Sensing Signals using Phase
Fiber Fabry-Perot tunable filter (FFP-TF) based fiber Bragg grating (FBG) demodulation has been widely applied in many areas, in which F-P etalon is commonly used as wavelength reference. The
Latest Updates Fiber Bragg grating
A fiber Bragg grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and
Latest Updates Study on strain sensing property of fiber Bragg grating based on
In terms of the common issue of the low sensitivity of fiber Bragg grating (FBG) strain sensor in strain measurement on the mechanical structure surface, this paper describes a flexible
Latest Updates Multi-Resonant Optical Fiber Gratings for Improvement in
Summary A novel demodulation strategy, which uses multiple modes within the spectral comb of tilted fiber Bragg gratings (TFBGs) allowing simultaneous interrogation of 22 resonances from a single
Latest Updates Demodulation algorithm for temperature and pressure
This study addresses the wavelength demodulation problem of the overlapping reflection spectrum of serial fiber Bragg gratings (FBGs) with nearly
Latest Updates 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 eliminated.
Latest Updates Real-Time Online Detection of Cutter Wear Based on Fiber Bragg Grating
Summary To address the shortcomings of the current cutter wear detection methods which have difficulty to detect in real time, a new method based on the fiber Bragg grating (FBG) array for cutter
Latest Updates Spectral Demodulation of Fiber Bragg Grating Sensor Based on Deep
This paper presents a new method of demodulating the spectrum of fiber Bragg grating (FBG) based sensors by employing deep convolutional neural networks (DCNN).
Latest Updates Review of the Status and Prospects of Fiber Optic
Diagram of the typical fiber optic hydrogen sensor classifications. Schematic of an F-P structured hydrogen sensor . Hydrogen sensor based on
Latest Updates Review of High-Speed Fiber Optic Grating Sensors Systems
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
Latest Updates Ring-core fiber Bragg grating and interferometer for simultaneous
We have proposed a novel integrated optics fiber sensor for curvature and temperature measurement based on ring-core fiber (RCF) Bragg grating and Mac
Latest Updates Diaphragm-based optical fiber sensor array for multipoint acoustic
We have reported a graphene diaphragm based optical fiber sensor array, as well as the coherent phase demodulation system to achieve real-time multipoint acoustic detection.
Latest Updates Fiber Bragg Grating Sensors: Design, Applications, and
Fiber Bragg grating (FBG) sensors have emerged as advanced tools for monitoring a wide range of physical parameters in various fields, including
Latest Updates 3D shape sensing of flexible morphing wing using fiber Bragg grating
The 3D shape sensing of flexible morphing wing using fiber Bragg grating (FBG) sensors is presented in this paper. A morphing wing prototype with poly
Latest Updates 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
Latest Updates Fast and High-Precision Shape Sensing Based on Dual-Comb Fiber
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.
Latest Updates A three-points tracking-based high-speed fiber Bragg grating
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
Latest Updates High-sensitivity ultrasound detection based on phase-shifted fiber
An all fiber ultrasound sensing system with cascaded phase-shifted fiber Bragg grating (PS-FBG) cascaded with a normal FBG to guarantee both the high sensitivity and large dynamic range of the