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
Read MoreA 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
Read MoreIndex Terms—Fiber Bragg grating (FBG), FBG array, fiber-optic sensor, high reliability, high strength, temperature sensing.
Read MoreIn particular, developments utilizing specially modified or tailored gratings, intra-grating concepts, multimode gratings, polarization rocking filters, long period gratings, phase shifted devices,
Read MoreTo overcome this limitation, we developed an ultra-sensitive radio-frequency (RF) biosensor based on a mode-locked fiber laser integrated with a functionalized tilted fiber Bragg
Read MoreFiber Bragg grating (FBG) sensors have been rapidly considered as excellent sensor elements since they were first demonstrated for strain and temperature measurement . In addition
Read MoreFibre Bragg gratings are one of the most popular sensors with a huge number of applications. Their most important advantage is signal modulation
Read MoreOptical Phase/Frequency Demodulation using Polarization-Maintaining Fiber Bragg Gratings Dipen Barot, Member, Optica, Rui Zhou, Student Member, Optica, and Lingze Duan, Senior Member, IEEE,
Read MoreIn 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
Read MoreMentioning: 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,
Read MoreThus, it is used to determine the optimal Gaussian fitting function coefficient to improve demodulation precision. The experimental findings showed that the proposed algorithm can
Read MoreIt uses polarization-maintaining fiber Bragg grating (PM-FBG) as a frequency discriminator. The basic principle and preliminary results of linearity
Read MoreA 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
Read MoreIt examines quasi-distributed sensing approaches, including fiber Bragg gratings (FBGs), and addresses mitigation techniques for temperature-strain cross-sensitivity. A comparative analysis
Read MoreFiber Bragg grating is used for monitoring various parameters. In this paper, a set of demodulation system is built based on the principle of edge filter. The system can realize static and
Read MoreA novel approach to fibre Bragg grating spectra processing is proposed. The method is based on the use of nonlinear filtration and raising the
Read MoreIt can directly connect to various Fiber Bragg Grating sensors, forming a small FBG sensing system for individual or mixed measurements of physical quantities such as temperature, strain, stress,
Read MoreSimulation and experimental findings demonstrate that FMD can effectively eliminate the information of environmental noise and temperature, and greatly retain vibration information. In the
Read MoreThe fiber-optic seismic monitoring sensors are mainly composed of the optical interferometer, fiber Bragg grating, optical polarimeter, and distributed
Read MoreSince the Bragg wavelength is a function of the fiber equivalent refractive index and the grating period, any physical parameter able to influence
Read MoreWe propose and experimentally demonstrate a simple, passive, and self-referencing wavelength shift detection scheme for use in fiber Bragg grating sensing systems. The demodulation system is based
Read MoreFiber Bragg Grating (FBG) is defined as a passive filter device that consists of a diffraction grating created by periodic modulation of the refractive index in the fiber core, allowing it to reflect specific
Read MoreAbstract 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
Read MoreFiber Bragg Grating (FBG) is defined as a type of optical fiber sensor that operates as a Bragg reflector, allowing for the measurement of strain and temperature by tracking changes in its wavelength peak,
Read MoreFiber-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
Read MoreOur technique exploits the reflection characteristics of fiber Bragg gratings written in polarization-maintaining fibers to create a frequency
Read MoreFiber Bragg Grating (FBG) is defined as a sensing technology that utilizes gratings inscribed in optical fiber to enhance strain measurements by shifting the Bragg wavelength of output light in response to
Read MoreMentioning: 3 - A highly-birefringent fiber loop mirror temperature sensor demodulation based on a long-period grating (LPG) in photonic crystal fiber (PCF) with differential processing was proposed.
Read MoreDual-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.
Read MoreAbstract 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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