FBGs can be fabricated by exposure to a spatial pattern of ultraviolet light in the region of 244–248 nm into a segment of Ge-doped single-mode fiber. Thus, a periodic modulation of the core
Here, we present a simple, compact, and robust technique featuring high linearity over a wide bandwidth and low background noise.
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,
A low-cost high-speed demodulation system based on a fiber grating spectral filter has been developed to support strain and temperature sensing in
We have proposed a novel integrated optics fiber sensor for curvature and temperature measurement based on ring-core fiber (RCF) Bragg grating and Mac
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
This category encompasses two main types of hardware: readout units (interrogators), which drive and analyze passive external optical sensors (such
The proposed tactile sensor is integrated with a deep learning-based Force Multi-information Estimation Model (FMEM) utilizing Transformer architecture for spectral data
It uses polarization-maintaining fiber Bragg grating (PM-FBG) as a frequency discriminator. The basic principle and preliminary results of linearity
The fiber Bragg grating demodulator based on spectral imaging method has a small volume, high integration degree, and can be used to measure static and dynamic strains.
This paper describes a new method that we have developed to generate Bragg grating filters in germania-doped communication fibers and
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
To overcome this limitation, this research proposes an embedded fiber-reinforced polymer optical-fiber (FRP-OF) composite strain sensor based on Fiber Bragg Grating (FBG). The FRP-OF sensing rebar
The process and formula optimization of insulators lack effective detection methods. A thermocouple-compensated fiber Bragg grating in-situ detection method for seven high-temperature
This paper presents a novel sensing system that enhances the measurability of the strain applied to a fiber Bragg grating (FBG) sensor by exploiting a tunable d
Fibre Bragg gratings are one of the most popular sensors with a huge number of applications. Their most important advantage is signal modulation consisting in shifting the spectrum
A true random bit generator (T-RBG) based on optoelectronic oscillator (OEO) with randomly distributed feedback is proposed and experimentally demonstrated. Through the
A novel optical fiber strain sensor, consisting of a section of fiber Bragg grating cascaded with a Fabry-Pérot interferometer is proposed and experimentally demonstrated.
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
This paper proposes a passive bidirectional audio transmission system that enables the simultaneous transmission of energy, sensing, and communication. The system achieves passive
To address this issue, a demodulation system utilizing MEMS mirrors is proposed, involving constructing a demodulation system based on MEMS mirrors.
Since the Bragg wavelength is a function of the fiber equivalent refractive index and the grating period, any physical parameter able to influence
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 methods
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
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
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
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
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