Results 61 to 70 of about 44,902 (304)
, 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 ...
Kirkendall, C. K. +2 more
core +1 more source
Laser-frequency locking techniques for high-sensitivity strain measurements by high-birefringence fiber Bragg gratings and resonators [PDF]
, 2007 A new approach to simultaneously interrogate orthogonal axes of single Fiber- Bragg-Gratings (FBGs) and FBG-FabryPerot resonator sensors fabricated in linearly highly birefringent (HiBi) fibre is presented.
Ferraro, P. +13 more
core +1 more source
Optical Fiber Grating Hydrogen Sensors: A Review
Sensors, 2017 In terms of hydrogen sensing and detection, optical fiber hydrogen sensors have been a research issue due to their intrinsic safety and good anti-electromagnetic interference.
Jixiang Dai +6 more
doaj +1 more source
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To explore how cerebral hypoxia and Normal‐Appearing White Matter (NAWM) integrity affect MS lesion burden and clinical course. Methods Seventy‐nine MS patients, including 13 clinically isolated syndrome (CIS) patients and 66 relapsing–remitting multiple sclerosis (RRMS) patients, and 44 healthy controls (HCs) were recruited from ...
Xinli Wang +8 more
wiley +1 more source
The detection of ultrasound using fiber-optic sensors
, 2007 Ultrasound is a valuable tool for the detection of damage in structures and the characterization of material properties. Its detection is conventionally done by piezoelectric transducers, however fiber-optic sensors can operate over a greater range of ...
Culshaw, B. +13 more
core +1 more source
Fiber Optic Sensor Configurations
Proceedings of the 3rd International Conference on Photonics, Optics and Laser Technology, 2015 The main goal of this work is to provide a brief overview of the fiber optic sensor multiplexing configurations and techniques as well as some recent advances and trends of the most important fiber optic sensor configurations. Distributed and point sensors are explained and a number of high performance networks are shown. Finally, the concept of robust
Rosa A. Perez-Herrera, Manuel López-Amo
openaire +1 more source
Optical Fiber Sensors Based on Fiber Ring Laser Demodulation Technology
Sensors, 2018 A review for optical fiber sensors based on fiber ring laser (FRL) demodulation technology is presented. The review focuses on the principles, main structures, and the sensing performances of different kinds of optical fiber sensors based on FRLs.
Wen-Ge Xie +3 more
doaj +1 more source
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Considerable efforts have been dedicated to developing effective treatments for post‐stroke executive impairment (PSEI), among which repetitive transcranial magnetic stimulation (rTMS) has shown great potential. This study aimed to investigate the therapeutic effects of high‐frequency rTMS on working memory (WM) and response ...
Mengting Lao +6 more
wiley +1 more source
, 2011 We report on the design and prototyping of a robust high-speed interferometric multiplexer and interrogator for fiber Bragg grating sensors. The scheme is based on the combination of active WDM channel switching and passive, instantaneous interferometry,
Niewczas, Pawel +3 more
core +1 more source
A Large Area Fiber Optic Gyroscope on multiplexed fiber network [PDF]
, 2013 We describe a fiber optical gyroscope based on the Sagnac effect realized on a multiplexed telecom fiber network. Our loop encloses an area of 20 km2 and coexists with Internet data traffic.
LEVI, FILIPPO +13 more
core +1 more source