Experimental Gouy phase shift compensation in terahertz time-domain spectroscopy

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dc.contributor.authorKoleják, Pierre
dc.contributor.authorPostava, Kamil
dc.contributor.authorMičica, Martin
dc.contributor.authorKužel, Petr
dc.contributor.authorKadlec, Filip
dc.contributor.authorPištora, Jaromír
dc.date.accessioned2018-10-16T09:19:02Z
dc.date.available2018-10-16T09:19:02Z
dc.date.issued2018
dc.description.abstractTerahertz time-domain spectroscopy experiments are usually carried out with focused beams. In this case the Gouy phase shift modifies the retrieved dielectric spectra of thick samples [Opt. Express 18, 15338 (2010)]. We show that a significant influence of the Gouy shift occurs also in commercial THz spectrometers where the focusing conditions may be a priori unknown. A method of experimental compensation of the Gouy shift influence is described and demonstrated.cs
dc.description.firstpage129cs
dc.description.lastpage133cs
dc.description.sourceWeb of Sciencecs
dc.description.volume31cs
dc.identifier.citationPhotonics and Nanostructures - Fundamentals and Applications. 2018, vol. 31, p. 129-133.cs
dc.identifier.doi10.1016/j.photonics.2018.06.011
dc.identifier.issn1569-4410
dc.identifier.issn1569-4429
dc.identifier.urihttp://hdl.handle.net/10084/132748
dc.identifier.wos000445716900017
dc.language.isoencs
dc.publisherElseviercs
dc.relation.ispartofseriesPhotonics and Nanostructures - Fundamentals and Applicationscs
dc.relation.urihttp://doi.org/10.1016/j.photonics.2018.06.011cs
dc.rights© 2018 Elsevier B.V. All rights reserved.cs
dc.subjectterahertzcs
dc.subjectGouy phasecs
dc.subjecttime-domain spectroscopycs
dc.titleExperimental Gouy phase shift compensation in terahertz time-domain spectroscopycs
dc.typearticlecs
dc.type.statusPeer-reviewedcs

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