About: White-light interferometry, Hilbert transform, and noise

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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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	White-light interferometry is an established and proved method for the measurement of the geometrical shape of objects. The advantage of white-light interferometry is that it is suitable for the measurement of the shape of objects with smooth as well as rough surface. The information about the longitudinal coordinate of the surface of the measured object is obtained from the white-light interferogram. The interferogram is the intensity at the detector expressed as the function of the position of the object. (The object is moved along the optical axis during the measurement process.) If the shape of an object with rough surface is measured, the phase of the interferogram is not evaluated because it is a random value. The information about the longitudinal coordinate is obtained from the center of the interferogram envelope. A classical method for the calculation of the envelope of white-light interferogram is the demodulation by means of Hilbert transform. White-light interferometry is an established and proved method for the measurement of the geometrical shape of objects. The advantage of white-light interferometry is that it is suitable for the measurement of the shape of objects with smooth as well as rough surface. The information about the longitudinal coordinate of the surface of the measured object is obtained from the white-light interferogram. The interferogram is the intensity at the detector expressed as the function of the position of the object. (The object is moved along the optical axis during the measurement process.) If the shape of an object with rough surface is measured, the phase of the interferogram is not evaluated because it is a random value. The information about the longitudinal coordinate is obtained from the center of the interferogram envelope. A classical method for the calculation of the envelope of white-light interferogram is the demodulation by means of Hilbert transform. (en)
Title	White-light interferometry, Hilbert transform, and noise White-light interferometry, Hilbert transform, and noise (en)
skos:prefLabel	White-light interferometry, Hilbert transform, and noise White-light interferometry, Hilbert transform, and noise (en)
skos:notation	RIV/68378271:_____/12:00399454!RIV14-AV0-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(TA01010517), Z(AV0Z10100522)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pavlíček, Pavel Michálek, Václav
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	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	180938
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/12:00399454
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	white-light interferometry; Hilbert transform; noise; measurement uncertainty (en)
http://linked.open.../riv/klicoveSlovo	measurement uncertainty noise Hilbert transform white-light interferometry
http://linked.open...ontrolniKodProRIV	[F47F85F8EBC3]
http://linked.open...v/mistoKonaniAkce	Ostravice
http://linked.open...i/riv/mistoVydani	Bellingham
http://linked.open...i/riv/nazevZdroje	Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics /18./
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Modern multilayer optical structures.
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Michálek, Václav Pavlíček, Pavel
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open...ain/vavai/riv/wos	000319864100011
http://linked.open.../riv/zahajeniAkce	2012-09-03 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Wave and Corpuscular Light Propagation, Optical Materials and Technology
issn	0277-786X
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1117/12.2007299
http://purl.org/ne...btex#hasPublisher	SPIE
https://schema.org/isbn	978-0-8194-9481-8

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