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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F14%3A00217824%21RIV15-MV0-21230___
rdf:type
skos:Concept n21:Vysledek
rdfs:seeAlso
http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1873850
dcterms: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.
dcterms: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
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
skos:notation
RIV/68407700:21230/14:00217824!RIV15-MV0-21230___
n4:aktivita
n12:S n12:P
n4:aktivity
P(VG20102015053), S
n4:dodaniDat
n19:2015
n4:domaciTvurceVysledku
n8:1679988 n8:7962533 n8:8548730 Lucki, Michal
n4:druhVysledku
n14:D
n4:duvernostUdaju
n7:S
n4:entitaPredkladatele
n11:predkladatel
n4:idSjednocenehoVysledku
38682
n4:idVysledku
RIV/68407700:21230/14:00217824
n4:jazykVysledku
n13:eng
n4:klicovaSlova
Sensors; Michelson interferometer; Copper; Metals; Thermal Expansion Coefficient; Precise Termometer
n4:klicoveSlovo
n5:Sensors n5:Thermal%20Expansion%20Coefficient n5:Copper n5:Michelson%20interferometer n5:Precise%20Termometer n5:Metals
n4:kontrolniKodProRIV
[9E3F448A732E]
n4:mistoKonaniAkce
Brusel, Belgie
n4:mistoVydani
Bellingham
n4:nazevZdroje
Optical Sensing and Detection III
n4:obor
n16:JA
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
4
n4:projekt
n22:VG20102015053
n4:rokUplatneniVysledku
n19:2014
n4:tvurceVysledku
Boháč, Leoš Davídková Antošová, Marcela Lucki, Michal Zelený, Richard
n4:typAkce
n9:WRD
n4:wos
000343125200057
n4:zahajeniAkce
2014-04-14+02:00
s:numberOfPages
9
n18:doi
10.1117/12.2054346
n23:hasPublisher
SPIE
n10:isbn
9781628410891
n15:organizacniJednotka
21230