Here, we present a simple, compact, and robust technique featuring high linearity over a wide bandwidth and low background noise.
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 super high-speed fiber grating demodulator capable of simultaneously demodulating four grating channels is designed. The demodulator uses Fourier domain mode locked laser which consists of a
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
It examines quasi-distributed sensing approaches, including fiber Bragg gratings (FBGs), and addresses mitigation techniques for temperature-strain cross-sensitivity. A comparative analysis
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.
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
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
Previous solutions have employed additional spectral-domain demodulation using ultra-weak fiber Bragg gratings or a Raman-based system, which considerably hinder real-time distributed demodulation
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
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
FBG (Fiber Bragg Grating Intelligent Demodulator) Product overview The XH-FBG fiber grating temperature sensing product is a sensing detection system
The aim of this article is to give a comprehensive and systematic overview of discrimination measurement methods of different measurands and demodulation techniques for
Request PDF | Fiber Bragg grating balanced DPSK demodulation | We propose and experimentally demonstrate the utilization of a uniform-FBG for balanced DPSK demodulation. The
Citations (11) References (22) Abstract This paper presents a fast demodulation algorithm to determine fiber Bragg grating (FBG) from spectra acquired by low wavelength resolution
Lin et al. (contribution 10) introduced a novel algorithm for the automatic demodulation of surrounding refractive index (SRI) variations in a Tilted
We demonstrate the dynamic demodulation ability of the TFBG by measuring the transient wave propagation on a square aluminum solid with an out-of-plane point-wise fiber Bragg grating
Written in both hydrogenated and non-hydrogenated fiber of all types, type I gratings are usually known as standard gratings and are manufactured in fibers of all
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
Fiber-optic sensors have gained much research attention and have been used in various industrial environments , . They have many advantages, such as a simple and compact
Our technique exploits the reflection characteristics of fiber Bragg gratings written in polarization-maintaining fibers to create a frequency
It uses polarization-maintaining fiber Bragg grating (PM-FBG) as a frequency discriminator. The basic principle and preliminary results of linearity
A novel approach to fibre Bragg grating spectra processing is proposed. The method is based on the use of nonlinear filtration and raising the
ABSTRACT The aim of this article is to introduce an innovative algorithm for the calculation of the shift of the maximum reflectivity wavelength of
Optical fiber sensors (OFSs) have emerged as essential tools in the monitoring of physical, chemical, and bio-medical parameters in harsh situations
Fiber Bragg grating (FBG) sensors have emerged as advanced tools for monitoring a wide range of physical parameters in various fields, including
A novel high-speed fiber Bragg grating demodulation method is proposed and demonstrated in this paper. Large dispersion will be generated when light going through the long
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,
Fiber Bragg grating (FBG) sensors are one of the most exciting developments in the fields of fiber-optic sensors in recent years.
Based on the influence of hysteresis and creep of piezoelectric ceramics, a tunable F-P filter is calibrated with a standard to locate the central wavelength reflected by fiber Bragg grating. In
Contact us for competitive quotes on any of our fiber optic products
Get a Quote