About: Development of absorption fiber optic sensor for distributed measurement of ammonia gas

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1685530
Description	Polymer-clad silica optical fibers are employed for development of different absorption optic fiber sensors of gaseous analytes. In our case, the physical principles of the detection are combined with a chemical reaction between analyte and suitable opto-chemical absorption reagents. Selected organometallic complex reagents with different lengths of lateral aliphatic chains are studied with respect to the type of central ions and their coordinative conditions to surrounding ligands. The effect of solvent type on solubility and the long-term stability of the prepared reagents in solid matrix are presented and discussed. Various methods are also tested in order to achieve an effective reagent immobilization into the polymer matrix, which creates optical fiber cladding. The chemical reaction of the reagents with ammonia based on ligand exchange process is accompanied by changes of visible-near-infrared optical absorption influencing via evanescent field on the guided light intensity. Experimental results suggest that the selected reagents provide optical properties suitable for practical sensing applications and that the sensitized PCS optical fibers could be used for detection of ammonia gas. Polymer-clad silica optical fibers are employed for development of different absorption optic fiber sensors of gaseous analytes. In our case, the physical principles of the detection are combined with a chemical reaction between analyte and suitable opto-chemical absorption reagents. Selected organometallic complex reagents with different lengths of lateral aliphatic chains are studied with respect to the type of central ions and their coordinative conditions to surrounding ligands. The effect of solvent type on solubility and the long-term stability of the prepared reagents in solid matrix are presented and discussed. Various methods are also tested in order to achieve an effective reagent immobilization into the polymer matrix, which creates optical fiber cladding. The chemical reaction of the reagents with ammonia based on ligand exchange process is accompanied by changes of visible-near-infrared optical absorption influencing via evanescent field on the guided light intensity. Experimental results suggest that the selected reagents provide optical properties suitable for practical sensing applications and that the sensitized PCS optical fibers could be used for detection of ammonia gas. (en)
Title	Development of absorption fiber optic sensor for distributed measurement of ammonia gas Development of absorption fiber optic sensor for distributed measurement of ammonia gas (en)
skos:prefLabel	Development of absorption fiber optic sensor for distributed measurement of ammonia gas Development of absorption fiber optic sensor for distributed measurement of ammonia gas (en)
skos:notation	RIV/68407700:21340/13:00210430!RIV14-MSM-21340___
http://linked.open...avai/riv/aktivita	I S Z
http://linked.open...avai/riv/aktivity	I, S, Z(MSM6840770040)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Aubrecht, Jan Kalvoda, Ladislav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	69084
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/13:00210430
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PCS optical fiber; gaseous ammonia; ligand exchange process; opto-chemical reagents; absorption spectra (en)
http://linked.open.../riv/klicoveSlovo	PCS optical fiber absorption spectra ligand exchange process opto-chemical reagents gaseous ammonia
http://linked.open...ontrolniKodProRIV	[DFE6AE0735F8]
http://linked.open...v/mistoKonaniAkce	Prague
http://linked.open...i/riv/mistoVydani	Bellingham (stát Washington)
http://linked.open...i/riv/nazevZdroje	Proceedings of SPIE Vol. 8774 - Optical Sensors 2013
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Aubrecht, Jan Kalvoda, Ladislav
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open...ain/vavai/riv/wos	000323326200033
http://linked.open.../riv/zahajeniAkce	2013-04-15 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Application of radionuclides and ionising radiation
issn	0277-786X
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1117/12.2017281
http://purl.org/ne...btex#hasPublisher	SPIE
https://schema.org/isbn	978-0-8194-9576-1
http://localhost/t...ganizacniJednotka	21340

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