White-light interferometry, Hilbert transform, and noise

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F12%3A00399454" target="_blank" >RIV/68378271:_____/12:00399454 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1117/12.2007299" target="_blank" >http://dx.doi.org/10.1117/12.2007299</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1117/12.2007299" target="_blank" >10.1117/12.2007299</a>

Jazyk výsledku

angličtina

Název v původním jazyce

White-light interferometry, Hilbert transform, and noise

Popis výsledku v původním jazyce

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 asrough 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.

Název v anglickém jazyce

White-light interferometry, Hilbert transform, and noise

Popis výsledku anglicky

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 asrough 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.

Druh

D - Stať ve sborníku

CEP obor

BH - Optika, masery a lasery

OECD FORD obor

—

Projekt

<a href="/cs/project/TA01010517" target="_blank" >TA01010517: Moderní multivrstvé optické systémy.</a><br>

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2012

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics /18./

ISBN

978-0-8194-9481-8

ISSN

0277-786X

e-ISSN

—

Počet stran výsledku

6

Strana od-do

—

Název nakladatele

SPIE

Místo vydání

Bellingham

Místo konání akce

Ostravice

Datum konání akce

3. 9. 2012

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

000319864100011