Results 21 to 30 of about 30,180 (277)
Flexible protection architectures using distributed optical sensors [PDF]
, 2012 In this paper we describe recent developments in flexible protection schemes that make use of passive fibre Bragg grating (FBG) based transducers for the distributed measurement of voltage and current.
Beaumont, Phil +7 more
core +1 more source
Instruments, 2017 Optical fibre sensors, such as Fibre Bragg Gratings (FBGs), are growing in their utilisation, although very niche in their applications. To enable a more diverse range of end users, expensive application-specific optical fibre interrogation hardware ...
Gary Allwood +2 more
doaj +1 more source
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
Integrated opto-chemical sensors [PDF]
, 1992 Integrated opto-chemical sensors have promising prospects, for example by having the potential to be realized as very sensitive small monolithic smart multisensor systems with a digital signal output.
Lambeck, Paul V.
core +3 more sources
Measurement + Control, 2001 Fibre optic sensing devices have been produced for the dual measurement of strain and temperature using the combined properties of fibre Bragg gratings and the fluorescence lifetime of erbium-doped fibre.
S.A. Wade +7 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
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
Efficient large-scale multiplexing of fiber Bragg grating and fiber Fabry-Perot sensors for structural health monitoring applications [PDF]
, 2006 Fiber Bragg gratings have been demonstrated as a versatile sensor for structural health monitoring. We present an efficient and cost effective multiplexing method for fiber Bragg grating and fiber Fabry-Perot sensors based on a broadband mode-locked ...
Cranch, Geoffrey A. +2 more
core +1 more source
Structural Health Monitoring Using Fibre Optic Acoustic Emission Sensors
Sensors, 2020 Acoustic emission (AE) is widely used for condition monitoring of critical components and structures. Conventional AE techniques employ wideband or resonant piezoelectric sensors to detect elastic stress waves propagating through various types of ...
James Owen Willberry +2 more
doaj +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