Industry Information Fiber Bragg grating-based optical filters for high-resolution sensing
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
Industry Information Monitoring of concrete shrinkage and creep using Fiber Bragg Grating
The wavelength of the light is reflected from the Bragg grating sensors interrogated with the FBG-SLI demodulation unit and sent this data to a software application running on the PC.
Industry Information 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
Industry Information 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
Industry Information Full article: Fiber Bragg grating demodulation through
Since the Bragg wavelength is a function of the fiber equivalent refractive index and the grating period, any physical parameter able to influence
Industry Information 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 Information Discrimination methods and demodulation techniques for fiber Bragg
Fiber Bragg grating (FBG) sensors are one of the most exciting developments in the fields of fiber-optic sensors in recent years. One of the problems in using grating sensors is the
Industry Information Fiber Bragg grating demodulation through innovative numerical
One of the most common and extensively employed optical devices is the Fiber Bragg Grating (FBG). Its reflection spectrum exhibits a peak at the so-called Bragg wavelength, where the fiber shows the
Industry Information 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 Information 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
Industry Information Fiber Bragg grating sensor demodulation technique by synthesis of
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
Industry Information A deep learning algorithm ADPNet for strain and
We propose a deep learning-based spectral segmentation model ADPNet (Adaptive Dilated Pyramid Net) to distinguish strain and temperature variations by extracting fiber Bragg
Industry Information Bragg Gratings
Bragg gratings are reflecting structures with a periodic refractive index modulation. They are contained in dielectric mirrors and in some fiber devices.
Industry Information 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
Industry Information 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.
Industry Information Demodulation method for vibration sensors of ultra-weak Fiber Bragg
Simulation and experimental findings demonstrate that FMD can effectively eliminate the information of environmental noise and temperature, and greatly retain vibration information. In the
Industry Information Hundred-Channel, High-Speed, and Large-Capacity FBG Demodulation
To address the limitation on channel scalability in high speed multi-channel fiber Bragg grating (FBG) demodulation systems caused by insufficient output power of tunable semiconductor lasers, this
Industry Information Analysis of Demodulation Methods of Tilted Fibre Bragg Gratings
For this purpose, not only an appropriate periodic structure is needed, but also a demodulation method. We propose averaging the shift of a group of cladding modes.
Industry Information Fiber Bragg Gratings | Suppliers
A fiber Bragg grating is a type of optical filter that is inscribed or "written" into the core of an optical fiber. It consists of a periodic modulation of the refractive index along the length of the fiber. This
Industry Information 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 Information Spectral Demodulation of Fiber Bragg Grating Sensor Based on Deep
Abstract: This paper presents a new method of demodulating the spectrum of fiber Bragg grating (FBG) based sensors by employing deep convolutional neural networks (DCNN).
Industry Information Effects of fiber Bragg grating design on dual-grating demodulation
Here, by applying the coupled-mode theory, influences of FBG design parameters such as grating length, refractive index modulation depth, and apodization type on the dual-grating
Industry Information Study on strain sensing property of fiber Bragg grating based on
Strain monitoring is of great significance to identify the failure of key mechanical components and ensure the good operation of mechanical equipment. In terms of the common issue
Industry Information A multi-peak detection algorithm for Fiber Bragg Grating sensing
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
Industry Information 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 Information Development of a fiber Bragg grating single-point temperature
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,
Industry Information Optical Phase/Frequency Demodulation using Polarization
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,
Industry Information A deep learning algorithm ADPNet for strain and
Fiber grating sensor signals can be affected by both strain and temperature, and decoupling strain and temperature for fiber optic sensing is a challenging task. We propose a deep
Industry Information 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