About: Computational approach to homodyne detection of interference phase

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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	Determination of the interference phase, i.e. the mutual phase shift between interfering waves is a principal issue in the interferometric measurement, especially on the nanometre scale. Our goal was to develop a novel interference phase detection technique that employs a computational approach and a frequency modulation of the laser source to achieve comparable performance with a homodyne detection with an optical phase shift generation. We have used a Michelson setup with polarizing optics that allowed to compare both the homodyne detection method and our novel method side by side while both methods shared the optical setup. Our method also comprises error compensation that deals e.g. with residual amplitude modulation and the scale non-linearities. The experiments revealed that the novel method achieves a periodic error less than 0.16 angular degrees and a standard deviation of less than 1.5 degrees, compared against the reference. The operational distance was 600mm. The method had proven it is suitable replacement for traditional homodyne detection techniques since it has comparable performance and significantly lower demands on the optical setup. Determination of the interference phase, i.e. the mutual phase shift between interfering waves is a principal issue in the interferometric measurement, especially on the nanometre scale. Our goal was to develop a novel interference phase detection technique that employs a computational approach and a frequency modulation of the laser source to achieve comparable performance with a homodyne detection with an optical phase shift generation. We have used a Michelson setup with polarizing optics that allowed to compare both the homodyne detection method and our novel method side by side while both methods shared the optical setup. Our method also comprises error compensation that deals e.g. with residual amplitude modulation and the scale non-linearities. The experiments revealed that the novel method achieves a periodic error less than 0.16 angular degrees and a standard deviation of less than 1.5 degrees, compared against the reference. The operational distance was 600mm. The method had proven it is suitable replacement for traditional homodyne detection techniques since it has comparable performance and significantly lower demands on the optical setup. (en)
Title	Computational approach to homodyne detection of interference phase Computational approach to homodyne detection of interference phase (en)
skos:prefLabel	Computational approach to homodyne detection of interference phase Computational approach to homodyne detection of interference phase (en)
skos:notation	RIV/68081731:_____/12:00388093!RIV13-GA0-68081731
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED0017/01/01), P(EE2.3.30.0054), P(FR-TI1/241), P(FR-TI2/705), P(GAP102/10/1813)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Buchta, Zdeněk Číp, Ondřej Šarbort, Martin Lazar, Josef Řeřucha, Šimon
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	Ústav přístrojové techniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	128274
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/12:00388093
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Amplitude modulation; Frequency modulation; Homodyne detection; Laser sources; Optics; Phase shifts (en)
http://linked.open.../riv/klicoveSlovo	Optics Amplitude modulation Frequency modulation Homodyne detection Laser sources Phase shifts
http://linked.open...ontrolniKodProRIV	[F7DB5D98A033]
http://linked.open...v/mistoKonaniAkce	Ostravice
http://linked.open...i/riv/mistoVydani	Bellingham
http://linked.open...i/riv/nazevZdroje	CPS 2012. 18th Czech-Polish-Slovak Optical Conference on Wave and Quantum Aspects of Contemporary Optics (Proceedings of SPIE Vol.8697)
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Components for nano-diagnostic of length fluctuations, deviation of shapes and surface faults *Non-contact optical measuring methods and systems for precise engineering Methods for generation of a length etalon by means of stabilized femtosecond mode-locked laser APPLICATION LABORATORIES OF ADVANCED MICROTECHNOLOGIES AND NANOTECHNOLOGIES Personal development of research teams
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Buchta, Zdeněk Lazar, Josef Číp, Ondřej Šarbort, Martin Řeřucha, Šimon
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2012-09-03 (xsd:date)
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1117/12.2010514
http://purl.org/ne...btex#hasPublisher	SPIE
https://schema.org/isbn	978-0-8194-9481-8

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