[PDF] Top 20 Detection of solvents using a distributed fibre optic sensor

... optical fibre sensor capable of making fully distributed measurements of a wide range of solvents is ...the sensor such that it responds on contact with liquid solvents, ... See full document

... the fibre surface by polymerization, in an approach similar to the method previously reported ...diacrylate), solvents (acetonitrile, ethanol, dimethylformamide, N,N-dimethylacetamide (DMA), pH 7 phosphate ... See full document

... Copyright and reuse: City Research Online aims to make research outputs of City, University of London available to a wider audience. Copyright and Moral Rights remain with the author(s) and/or copyright holders. URLs ... See full document

... point sensor for “apparent impedance”. This would then enable the distributed measurement of impedance for use in a fibre-optic distance protection ...of fibre, with all-optical signal ... See full document

... In 1987 a group at Strathclyde were working on a bulk optical system to demonstrate the sensing capabilities of optically activated silicon microresonators. They have used a similar system to that shown in figure 1.3 to ... See full document

... side using index-matching oil ...However, using the capillary tube as waveguide is prone to errors such as contamination of the external surface due to handling, differences in refractive indices among ... See full document

... the detection sensitivity and to reduce temperature effect of the optical fibre chemical sensor (OFCS) ...leakage detection using optical time domain reflectometer (OTDR) as an analyzer ... See full document

... fibre using light from a KrF excimer laser and using the phase mask ...2525) using the dip coating technique [5] to create a humidity ...humidity sensor from other deleterious environmental ... See full document

... new fibre optic sensor for chloride ion detection is ...This sensor is based on the fluorescence quenching of an acridinium dye, which is covalently bound to polymer substrates, in ... See full document

... today. Fibre-optic sensing technology provides an alternative approach to moisture/humidity sensing as it offers several advan- tages over the use of conventional sensing ...optical fibre sensing ... See full document

... Copyright and reuse: City Research Online aims to make research outputs of City, University of London available to a wider audience. Copyright and Moral Rights remain with the author(s) and/or copyright holders. URLs ... See full document

... developed fibre-optic biosensors using glucose/galactose binding protein (GBP) labelled with the environmentally sensitive fluorophore, ...optical fibre. Fluorescence lifetime responses were ... See full document

... Copyright and reuse: City Research Online aims to make research outputs of City, University of London available to a wider audience. Copyright and Moral Rights remain with the author(s) and/or copyright holders. URLs ... See full document

... teknologi sensor pada masa kini terutama yang melibatkan bahan kimia, masih memerlukan kebolehpercayaan pada tahap ...tertentu. Sensor konvensional yang berkaitan dengan kimia boleh menyebabkan berlakunya ... See full document

... the fibre was dipped in a gold surface cleaning solution purchased from Sigma for a period of 30 seconds with subsequent rinsing in copious amounts of distilled water and ethanol and dried with compressed ...the ... See full document

... Wireless sensor networks are resource constrained and vulnerable to various kinds of ...clone detection with different tradeoffs with network conditions. Distributed Hash Table (DHT) was used to have ... See full document

... oil sensor by utilizing fiber optic sensor for engine useful ...oil sensor is to decide an actuation level of different sort’s motor ... See full document

... 7 Since then, the technology has advanced with tremendous rapidity. By 1985 glass fibers were routinely produced with extremely low losses (< 0.2 dB/km). Voice- grade copper systems require in-line signal regeneration ... See full document

... Fiber optic sensors can be classified under three categories: The sensing location, the operating principle, and the ...fiber optic sensor can be classified as extrinsic or ...fiber optic ... See full document

... The following sections contain the results of measurements of the variation of the ultrasonic longitudinal wave velocity in a curing epoxy sample using the same non- contact optical exc[r] ... See full document