Results 31 to 40 of about 15,287 (227)
Applied Sciences, 2019 We propose and experimentally demonstrate a hybrid grating, in which an excessively tilted fiber grating (Ex-TFG) and a fiber Bragg grating (FBG) were co-inscribed in a reduced-diameter fiber (RDF).
Biqiang Jiang +5 more
doaj +1 more source
Highly sensitive fiber Bragg grating refractive index sensors [PDF]
, 2005 We combine fiber Bragg grating (FBG) technology with a wet chemical etch-erosion procedure and demonstrate two types of refractive index sensors using single-mode optical fibers. The first index sensor device is an etch-eroded single FBG with a radius of
Huang, Yanyi +4 more
core +1 more source
Sensors, 2013 This study integrated a fiber loop manufactured by using commercial fiber (SMF-28, Corning) and a fiber Bragg grating (FBG) to form a fiber optic sensor that could simultaneously measure displacement and temperature.
Hsu-Chih Cheng +3 more
doaj +1 more source
Nanoscale resolution interrogation scheme for simultaneous static and dynamic fiber Bragg grating strain sensing [PDF]
, 2012 A combined interrogation and signal processing technique which facilitates high-speed simultaneous static and dynamic strain demodulation of multiplexed fiber Bragg grating sensors is described.
Johnston, Michael +3 more
core +1 more source
Optical Fiber Bragg Grating Temperature Sensor
Diyala Journal of Engineering Sciences, 2014 In this work, uniform Fiber Bragg Grating (FBG) temperature sensor system were implemented and investigated due to measurement of the Bragg wavelength shift.
Marwan L. Yousf +3 more
doaj +1 more source
A New Type of Etched Fiber Grating Hydrophone
Photonics, 2022 We propose a new type of fiber hydrophone composed of an etched fiber Bragg grating and a special packaging structure for detecting acoustic waves in the low-frequency band under water.
Wen-Fung Liu +4 more
doaj +1 more source
Distributed photonic instrumentation for smart grids [PDF]
, 2013 Photonic sensor networks possess the unique potential to provide the instrumentation infrastructure required in future smart grids by simultaneously addressing the issues of metrology and communications.
Beaumont, Phil +6 more
core +1 more source
Study of Optical Fiber Sensors for Cryogenic Temperature Measurements
Sensors, 2017 In this work, the performance of five different fiber optic sensors at cryogenic temperatures has been analyzed. A photonic crystal fiber Fabry-Pérot interferometer, two Sagnac interferometers, a commercial fiber Bragg grating (FBG), and a π-phase ...
Veronica De Miguel-Soto +8 more
doaj +1 more source
Solid-state interferometric interrogator and multiplexer for high-speed dynamic and absolute FBG wavelength measurement [PDF]
, 2013 We present a solid-state FBG array interrogator and multiplexer capable of determining absolute FBG wavelengths and of providing high-speed, high-resolution static and dynamic measurements.
Fusiek, Grzegorz +3 more
core +1 more source
Optical fiber sensor for ultrasonic detection at high temperature
Nihon Kikai Gakkai ronbunshu, 2017 Because of the stable material property of optical fiber up to 1000℃, fiber-optic Bragg grating (FBG) sensor is considered as one of possible ultrasonic sensors used at ultrahigh temperature.
Fengming YU, Yoji OKABE
doaj +1 more source