All-optical differential current detection technique for unit protection applications [PDF]
, 2013 In this paper we demonstrate a novel, all-optical differential current protection scheme. By monitoring the optical power reflected from two matched hybrid fiber Bragg grating current sensors and using a simple optoelectronic threshold detector, an ...
Philip Orr +7 more
core +4 more sources
Efficient fiber Bragg grating and fiber Fabry-Pe'rot sensor multiplexing scheme using a broadband pulsed mode-locked laser [PDF]
, 2005 A pulsed broadband mode-locked laser (MLL) combined with interferometric interrogation is shown to yield an efficient means of multiplexing a large number of fiber Bragg grating (FBG) or fiber Fabry-Perot (FFP) strain sensors with high performance ...
Flockhart, G M H +2 more
core +4 more sources
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 ...
Kirkendall, C. K. +2 more
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Quantitative sensitivity analysis of surface attached optical fiber strain sensor [PDF]
, 2014 Optical fiber strain sensors, in particular, the fiber Bragg grating (FBG) type, are widely applied in different applications. The most common installation method is surface-attached.
Wan, KT
core +1 more source
Performance Analysis of a Noncontact Plastic Fiber Optical Fiber Displacement Sensor with Compensation of Target Reflectivity [PDF]
, 2013 An inexpensive fiber-based noncontact distance sensor specific for monitoring short-range displacements in micromachining applications is presented. To keep the overall costs low, the sensor uses plastic optical fibers and an intensiometric approach ...
Alberto Vallan +8 more
core +1 more source
Comparative analysis of the DFB fiber laser and fiber-optic interferometric strain sensors [PDF]
, 2007 The DFB fiber laser strain sensor is shown to provide an improvement in the minimum detectable length change by a factor of 275 at 2 kHz for an applied strain when compared with an interferometric sensor interrogated by at equivalent DFB laser.
Kirkendall, C. K. +2 more
core +4 more sources
Multi-sensor system using plastic optical fibers for intrinsically safe level measurements [PDF]
, 2004 A system for measuring liquid level in multiple tanks using optical fibe technology has been developed. Oil fiel service industry or any sector requiring liquid level measurements in flammabl atmospheres can be benefite from this intrinsically safe ...
Gonzalo, Ana B. +6 more
core +1 more source
IEEE Access, 2022 This paper addresses a very high sensitivity of surface plasmon resonance (SPR) sensor assisted by novel BlueP/MoS2 based composite heterostructure based on angular interrogation technique. Research on SPR techniques based on angular interrogation system
Purnendu Shekhar Pandey +1 more
doaj +1 more source
Optical Gas Sensor Fabrication Based on Porphyrin-Anchored Electrostatic Self-Assembly onto Tapered Optical Fibers [PDF]
, 2012 Tapered optical fibers with nano-assembled coatings of thicknesses of order tens of nanometres were used for the detection of ammonia gas. The film coating was composed of alternate layers of tetrakis-(4-sulfophenyl) porphine (TSPP) and poly(allylamine ...
Lee, Seung-Woo +5 more
core +1 more source
Optical router for optical fiber sensor networks based on a liquid crystal cell [PDF]
, 2003 Optical fiber sensor networks are evolving rapidly. They are used because of the inert nature of optical fibers allowing no electromagnetic interference and safe applications in inflammable atmospheres; other relevant characteristics are their low ...
Sánchez-Pena, José Manuel +7 more
core +4 more sources