Industry A self-compensating Fiber Bragg Grating sensor system using fiber
Fiber Bragg Grating (FBG) sensors are a promising alternative, but their simultaneous response to both temperature and strain (cross-sensitivity) has hindered their application.
Industry Research on an identical weak FBGs array sensor towards large-area
Abstract To simultaneously achieve the feature of high sensitivity, high precision and large-area in tactile sensing, a hollowed-out quadrangular prism structure flexible pressure sensor
Industry Achieving high-precision dual-parameter sensing by Gramian Angular
Specifically, the dual-parameter sensor, consisting of an all fiber-inline Mach Zehnder interferometer (MZI) cascaded fiber Bragg grating (FBG), features high strain sensitivity of −2.56
Industry 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
Industry Optical fiber–based nanoindenter featuring automated measurement
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
Industry (PDF) Force Sensing With 1 mm Fiber Bragg Gratings for Flexible
With this approach, a new force sensor made up of a 1mm Fiber Bragg Grating (FBG) attached to a 3mm long nitinol tube was developed to measure the compression force exerted on the
Industry 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
Industry Demodulation of fiber Bragg grating sensor using cross-correlation
such gratings is more difficult and expensive than writing a single grating. We increase the scanning wavelength step of the tunable laser from 5 to 100 p by an interval of 5 pm and repeat the resolution
Industry 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
Industry A novel guided wave testing method for identifying rail web cracks
Highlights • An integrated GWT-based framework using IRC dictionary and OMP algorithm to effectively detect rail web defects. • A customized dictionary of interfering reflection
Industry Fast Demodulation of Fiber Bragg Grating Wavelength From Low
Abstract: This paper presents a fast demodulation algorithm to determine fiber Bragg grating (FBG) from spectra acquired by low wavelength resolution spectrometers.
Industry Large range wavelength demodulation for ultra-short fiber Bragg
A wavelength demodulation method for ultra-short fiber Bragg grating (US-FBG) sensors based on an arrayed waveguide grating (AWG) and a convex optimization algorithm is proposed and
Industry Fibre Bragg Grating Wavelength Shift Demodulation with
A novel approach to fibre Bragg grating spectra processing is proposed. The method is based on the use of nonlinear filtration and raising the
Industry A Tension-and-Compression Strain Gauge Coupled With Fiber Bragg Grating
This study presents a dual-mode strain gauge integrated with fiber Bragg grating (FBG) technology for simultaneous measurement of tensile and compressive strains.
Industry 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
Industry Fusion of Terra-MODIS and Landsat TM data for geothermal sites
A new method for fiber Bragg grating wavelength demodulation with calibration [6027-148] Modeling and design of a parallel demodulation system used for EFPI and FBG sensor [6027-149]
Industry An investigation of stress and temperature analysis at the rail-wheel
The publication describes the use of fiber-optic sensors in the rail applications. We created a measuring system and sensor based on the fiber Bragg gratings (FBG).
Industry Research on Wavelength Demodulation Algorithm for Fiber Bragg
First, digital low-pass filtering is used to complete the data pre-processing, then using the peak-seek algorithm designed in this paper to confirm the peak position of the two signals, and finally
Industry Improvement of Fiber Bragg Grating Wavelength Demodulation
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
Industry Parallel demodulation system and signal-processing | PDF or Rental
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
Industry 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
Industry Fiber Bragg Grating Force Sensors for Minimally Invasive Surgery:
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...
Industry (PDF) Demodulation of Fiber Bragg Grating Sensor
In this letter, a demodulation algorithm for fiber Bragg grating (FBG) sensor is presented. The proposed demodulation algorithm evaluates the
Industry Improvement of Fiber Bragg Grating Wavelength
This paper presents a demodulation system for FBG sensors based on a long-period fiber grating (LPG) driven by artificial intelligence techniques.
Industry A miniature triaxial force sensor based on fiber Bragg gratings for
A linear decoupled model based on the singular value decomposition algorithm was proposed to evaluate the triaxial forces from the FBG wavelength shifts . Above all, researchers
Industry Fiber Bragg grating demodulation through innovative numerical
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 Grating experiencing an applied strain.
Industry Review of Optical Fiber Sensors: Principles,
The results reveal leading trends in the use of techniques like the use of fiber Bragg gratings (FBG) and distributed sensing in high-accuracy conditions
Industry Fiber Bragg grating sensor demodulation technique by synthesis of
In this paper, we present a very reliable simulating algorithm to synthesize the physical parameters of a fiber Bragg grating structure from its reflection spectrum. The knowledge of the