Design of a new method for detection of occupancy in the smart home using an FBG sensor [PDF]
, 2020 This article introduces a new way of using a fibre Bragg grating (FBG) sensor for detecting the presence and number of occupants in the monitored space in a smart home (SH).
Fajkus, Marcel +3 more
core +1 more source
Polarization properties of interferometrically interrogated fiber Bragg grating and tandem-interferometer strain sensors [PDF]
, 2006 Lead sensitivity in low-coherence interferometric fiber-optic sensors is a well-known problem. It can lead to a severe degradation in the sensor resolution and accuracy through its effect on the fringe visibility and interferometric phase.
Cranch, G A +2 more
core +1 more source
A Medium-Frequency Fiber Bragg Grating Accelerometer Based on Flexible Hinges
Sensors, 2021 Mediumfrequency fiber Bragg grating (FBG) acceleration sensors are used in important applications in mechanical, aerospace and weapon equipment, and have strict requirements in terms of resonance frequency and sensitivity.
Zichuang Li +5 more
doaj +1 more source
A Magnetostrictive Composite-Fiber Bragg Grating Sensor [PDF]
Sensors, 2010 This paper presents a light and compact optical fiber Bragg Grating sensor for DC and AC magnetic field measurements. The fiber is coated by a thick layer of a magnetostrictive composite consisting of particles of Terfenol-D dispersed in a polymeric matrix.
Jefferson F. D. F. Araújo +4 more
openaire +3 more sources
Flexible thin polymer waveguide Bragg grating sensor foils for strain sensing [PDF]
, 2017 This paper demonstrates that epoxy-based single mode polymer waveguides with Bragg gratings can be realized in very thin (down to 50 micron) polymer foils which are suitable for strain sensing when integrated inside glass fiber reinforced polymer ...
Chiesura, Gabriele +5 more
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Concept level evaluation of the optical voltage and current sensors and an arrayed waveguide grating for aero-electrical system applications [PDF]
, 2007 In this paper we present, for the first time, the hybrid fiber-optic voltage and current sensors interrogated using an arrayed waveguide grating (AWG) device.
Fusiek, G., McDonald, J.R., Niewczas, P.
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Performance analysis of Strain sensor based on Fiber Bragg Grating [PDF]
ITM Web of Conferences, 2020 A fiber Bragg grating can be worked as reflector, it is constructed in a short section of optical fiber that reflects light of specific wavelength and allow to pass remaining wavelengths. This is possible by creating a periodic change in refractive index
More Aniket Shivram +3 more
doaj +1 more source
Evaluation of the optical switching characteristics of erbium-doped fibres for the development of a fibre Bragg grating sensor interrogator [PDF]
, 2014 A polling topology that employs optical switching based on the properties of erbium-doped fibres (EDFs) is used to interrogate an array of FBGs. The properties of the EDF are investigated in its pumped and un-pumped states and the EDFs’ switching ...
Bhattacharyya, Debabrata +7 more
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Simultaneous Measurement for Strain and Temperature Using Fiber Bragg Gratings and Multimode Fibers [PDF]
, 2008 An all-fiber sensor capable of simultaneous measurement of temperature and strain is newly presented. The sensing head is formed by a fiber Bragg grating combined with a section of multimode fiber that acts as a Mach-Zehnder interferometer for ...
Lit, John W.Y. +3 more
core +2 more sources
Simultaneous Measurement of Microdisplacement and Temperature Based on Balloon-Shaped Structure
Sensors, 2023 An optical fiber sensor for the simultaneous measurement of microdisplacement and temperature based on balloon-shaped single-mode fibers cascaded with a fiber Bragg grating with two core-offset joints is proposed.
Yaxun Zhang +7 more
doaj +1 more source