About: Precise optical differential thermometer sensor based on interferometric measurement of thermal expansion coefficient

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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=1873850
Description	Knowing a thermal expansion coefficient and measured exact thermal expansion, it is possible to design a very sensitive sensor measuring temperature differential. A Michelson interferometer is used to determine temperature changes. It measures linear expansion on a metal object, e.g. a copper rod, as a change in length in response to a change in temperature. Based on the obtained interferograms and knowing the value of thermal expansion coefficient, temperature differential can be calculated. The accuracy of the procedure can be determined by using the exact differential method based on the measurement errors for linear expansion, and initial length. The contribution of this paper is the employment of Michelson interferometer to design a very sensitive differential thermometer measuring with the accuracy of one thousandth degree Celsius. It results from the achieved precision of measuring the optical path length changes in the range of hundreds nanometers. The advantage of this sensor is its precision and noncontact procedure. Knowing a thermal expansion coefficient and measured exact thermal expansion, it is possible to design a very sensitive sensor measuring temperature differential. A Michelson interferometer is used to determine temperature changes. It measures linear expansion on a metal object, e.g. a copper rod, as a change in length in response to a change in temperature. Based on the obtained interferograms and knowing the value of thermal expansion coefficient, temperature differential can be calculated. The accuracy of the procedure can be determined by using the exact differential method based on the measurement errors for linear expansion, and initial length. The contribution of this paper is the employment of Michelson interferometer to design a very sensitive differential thermometer measuring with the accuracy of one thousandth degree Celsius. It results from the achieved precision of measuring the optical path length changes in the range of hundreds nanometers. The advantage of this sensor is its precision and noncontact procedure. (en)
Title	Precise optical differential thermometer sensor based on interferometric measurement of thermal expansion coefficient Precise optical differential thermometer sensor based on interferometric measurement of thermal expansion coefficient (en)
skos:prefLabel	Precise optical differential thermometer sensor based on interferometric measurement of thermal expansion coefficient Precise optical differential thermometer sensor based on interferometric measurement of thermal expansion coefficient (en)
skos:notation	RIV/68407700:21230/14:00217824!RIV15-MV0-21230___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(VG20102015053), S
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Boháč, Leoš Zelený, Richard Davídková Antošová, Marcela Lucki, Michal
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 elektrotechnická
http://linked.open...dnocenehoVysledku	38682
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/14:00217824
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Sensors; Michelson interferometer; Copper; Metals; Thermal Expansion Coefficient; Precise Termometer (en)
http://linked.open.../riv/klicoveSlovo	Copper Michelson interferometer Sensors Metals Precise Termometer Thermal Expansion Coefficient
http://linked.open...ontrolniKodProRIV	[9E3F448A732E]
http://linked.open...v/mistoKonaniAkce	Brusel, Belgie
http://linked.open...i/riv/mistoVydani	Bellingham
http://linked.open...i/riv/nazevZdroje	Optical Sensing and Detection III
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	The modern structure of photonic sensors and new innovative principles for intrusion detection systems, integrity and protection of critical infrastructure – GUARDSENSE
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Boháč, Leoš Lucki, Michal Zelený, Richard Davídková Antošová, Marcela
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000343125200057
http://linked.open.../riv/zahajeniAkce	2014-04-14 (xsd:date)
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1117/12.2054346
http://purl.org/ne...btex#hasPublisher	SPIE
https://schema.org/isbn	9781628410891
http://localhost/t...ganizacniJednotka	21230

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