Results 31 to 40 of about 30,351 (276)
Azobenzene-based gel coated fibre Bragg grating sensor for moisture measurement [PDF]
, 2016 A fibre Bragg grating sensor is coated with a novel polymer gel in order to investigate its suitability for nondestructive measurement of moisture in materials that can potentially lose their integrity due to moisture ingress.
Moniruzzaman, Mohammed, Rock, John
core +3 more sources
Sensors, 2007 This paper reviews current state-of-the-art methods of measuring pH levels that are based on polymer materials. These include polymer-coated fibre optic sensors, devices with electrodes modified with pH-sensitive polymers, fluorescent pH indicators ...
Arousian Arshak +3 more
doaj +1 more source
Composites Part C: Open Access, 2021 Experimental demonstration and performance evaluation on a shape-adaptive carbon composite full-scale hydrofoil manufactured using automated fibre placement (AFP) are presented in this paper. The experimental responses of the hydrofoil are validated with
Phyo Thu Maung +4 more
doaj +1 more source
Range-resolved signal processing for fibre segment interferometry applied to dynamic long-gauge length strain sensing [PDF]
, 2015 A range-resolved interferometric signal processing technique using sinusoidal optical frequency modulation is applied to fibre segment interferometry. Here, six optical fibre segments of gauge length 12.5 cm are used as interferometric strain sensors and
Charrett, Thomas O. H. +4 more
core +1 more source
Performance analysis of transmissive modified cladding optical fibre sensors
IET Optoelectronics, 2022 Optical fibre sensors with modified cladding have been a topic of great interest for decades. Thanks to the new techniques of fabricating nanostructured films, this interest has been renewed.
Hamed Dehdashti Jahromi
doaj +1 more source
Forty-Four Pass Fibre Optic Loop for Improving the Sensitivity of Surface Plasmon Resonance Sensors
, 2007 A forty-four pass fibre optic surface plasmon resonance sensor that enhances detection sensitivity according to the number of passes is demonstrated for the first time. The technique employs a fibre optic recirculation loop that passes the detection spot
Becker P C +9 more
core +1 more source
Quadratic behavior of fiber Bragg grating temperature coefficients [PDF]
, 2004 We describe the characterization of the temperature and strain responses of fiber Bragg grating sensors by use of an interferometric interrogation technique to provide an absolute measurement of the grating wavelength. The fiber Bragg grating temperature
Brady +18 more
core +1 more source
IET Generation, Transmission & Distribution, 2023 Arc discharge in the power transformer can bring enormous economic losses and safety risks. The transformer protection system for arc discharge faults is still not ideal.
Zhixian Zhang +9 more
doaj +1 more source
FBG_SiMul V1.0: Fibre Bragg grating signal simulation tool for finite element method models
SoftwareX, 2016 FBG_SiMul V1.0 is a tool to study and design the implementation of fibre Bragg grating (FBG) sensors solutions in any arbitrary loaded structure or application.
G. Pereira, M. McGugan, L.P. Mikkelsen
doaj +1 more source
Low weight additive manufacturing FBG accelerometer: design, characterization and testing [PDF]
, 2018 Structural Health Monitoring is considered the process of damage detection and structural characterization by any type of on-board sensors. Fibre Bragg Gratings (FBG) are increasing their popularity due to their many advantages like easy multiplexing ...
Galvín, Pedro +2 more
core +1 more source