Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/22821
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dc.contributor.authorWithayachumnankul, W.en
dc.contributor.authorFerguson, B.en
dc.contributor.authorRainsford, T.en
dc.contributor.authorMickan, S.en
dc.contributor.authorAbbott, D.en
dc.date.issued2006en
dc.identifier.citationFluctuation and Noise Letters, 2006; 6(2):L227-L239en
dc.identifier.issn0219-4775en
dc.identifier.issn1793-6780en
dc.identifier.urihttp://hdl.handle.net/2440/22821-
dc.description© World Scientific Publishing Companyen
dc.description.abstractThis study indicates that the removal of reflections from T-ray signals can be carried out in the frequency domain without prior knowledge of material parameters or sample thickness. By fitting polynomials to the logarithm and the argument of the sample's transfer function, the Fabry-Pérot reflection term is canceled out, leading to disappearance of the reflections in spatial domain. The method successfully removes the reflections for optically thick samples under the condition of noise or amplitude fluctuations. The application to optically thin samples is possible when the samples are subjected to broadband terahertz measurements. The Fabry-Pérot free signal, when used as input to the parameter estimation method, results in correct material parameters with low variance.en
dc.description.statementofresponsibilityWithawat Withayachumnankul, Bradley Ferguson, Tamath Rainsford, Samuel Mickan and Derek Abbotten
dc.language.isoenen
dc.publisherWorld Scientific Publishing Co. Pty. Ltd.en
dc.subjectFabry-Perot removal; reflection; T-rays; terahertz time-domain spectroscopy; gradient-based parameter estimation; noise in photonic measurement systemsen
dc.titleDirect Fabry-Perot effect removalen
dc.typeJournal articleen
dc.identifier.rmid0020060651en
dc.identifier.doi10.1142/S0219477506003318en
dc.identifier.pubid52828-
pubs.library.collectionElectrical and Electronic Engineering publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidAbbott, D. [0000-0002-0945-2674]en
Appears in Collections:Electrical and Electronic Engineering publications

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