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Article: Improved method for determination of optical constants of organic thin films from reflection and transmission measurements

TitleImproved method for determination of optical constants of organic thin films from reflection and transmission measurements
Authors
Issue Date2000
PublisherOptical Society of America. The Journal's web site is located at http://ao.osa.org/journal/ao/about.cfm
Citation
Applied Optics, 2000, v. 39 n. 7, p. 1174-1182 How to Cite?
AbstractA new technique for determining the optical properties of organic thin films is presented. A detailed evaluation of the accuracy of the determined optical constants has been performed, and the best combination of measured values yielding the smallest errors in the index of refraction for realistic experimental uncertainties has been found. The proposed method utilizes the fact that optical constants are smooth continuous functions, which reduces the possibility of encountering multiple solutions. The method consists of two steps. In the first step the optical constants at all wavelengths and the film thickness are determined. In the second step the thickness and the imaginary part of the index of refraction are kept fixed while we reevaluate the real part of the index of refraction by using a different objective function with improved sensitivity to the refractive index. After verifying that the proposed method is capable of an accurate estimation of optical constants, we determine the index of refraction data of vanadylphthalocyanine in the visible spectral range. © 2000 Optical Society of America.
Persistent Identifierhttp://hdl.handle.net/10722/174842
ISSN
2010 Impact Factor: 1.707
References

 

DC FieldValueLanguage
dc.contributor.authorDjurišić, ABen_US
dc.contributor.authorFritz, Ten_US
dc.contributor.authorLeo, Ken_US
dc.contributor.authorLi, EHen_US
dc.date.accessioned2012-11-26T08:47:46Z-
dc.date.available2012-11-26T08:47:46Z-
dc.date.issued2000en_US
dc.identifier.citationApplied Optics, 2000, v. 39 n. 7, p. 1174-1182en_US
dc.identifier.issn0003-6935en_US
dc.identifier.urihttp://hdl.handle.net/10722/174842-
dc.description.abstractA new technique for determining the optical properties of organic thin films is presented. A detailed evaluation of the accuracy of the determined optical constants has been performed, and the best combination of measured values yielding the smallest errors in the index of refraction for realistic experimental uncertainties has been found. The proposed method utilizes the fact that optical constants are smooth continuous functions, which reduces the possibility of encountering multiple solutions. The method consists of two steps. In the first step the optical constants at all wavelengths and the film thickness are determined. In the second step the thickness and the imaginary part of the index of refraction are kept fixed while we reevaluate the real part of the index of refraction by using a different objective function with improved sensitivity to the refractive index. After verifying that the proposed method is capable of an accurate estimation of optical constants, we determine the index of refraction data of vanadylphthalocyanine in the visible spectral range. © 2000 Optical Society of America.en_US
dc.languageengen_US
dc.publisherOptical Society of America. The Journal's web site is located at http://ao.osa.org/journal/ao/about.cfmen_US
dc.relation.ispartofApplied Opticsen_US
dc.titleImproved method for determination of optical constants of organic thin films from reflection and transmission measurementsen_US
dc.typeArticleen_US
dc.identifier.emailDjurišić, AB: dalek@hku.hken_US
dc.identifier.authorityDjurišić, AB=rp00690en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0038443413en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0038443413&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume39en_US
dc.identifier.issue7en_US
dc.identifier.spage1174en_US
dc.identifier.epage1182en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridDjurišić, AB=7004904830en_US
dc.identifier.scopusauthoridFritz, T=7102033452en_US
dc.identifier.scopusauthoridLeo, K=7006009729en_US
dc.identifier.scopusauthoridLi, EH=7201410087en_US

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