Use of free-form surface to simulate local refractive index changes in plastic lenses measured using polariscopic device

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/108735

dc.contributor	Universitat Politècnica de Catalunya. GREO - Grup de Recerca en Enginyeria Òptica
dc.contributor.author	Arasa Marti, Jose
dc.contributor.author	Pizarro Bondia, Carlos
dc.contributor.author	Blanco Nieto, Patricia
dc.date	2017-01-01
dc.identifier.citation	Arasa, J., Pizarro, C., Blanco , P. Use of free-form surface to simulate local refractive index changes in plastic lenses measured using polariscopic device. "Óptica pura y aplicada", 1 Gener 2017, vol. 50, p. 1-13.
dc.identifier.citation	0030-3917
dc.identifier.citation	10.7149/OPA.50.3.49060
dc.identifier.uri	http://hdl.handle.net/2117/108735
dc.language.iso	eng
dc.relation	http://www.sedoptica.es/Menu_Volumenes/Pdfs/OPA_50_3_49060.pdf
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Ciències de la visió::Instruments òptics i optomètrics
dc.subject	Plstic lenses
dc.subject	Free-form surfaces
dc.subject	Index variations
dc.subject	Plastic lenses
dc.subject	Polarization
dc.subject	Lents oftàlmiques
dc.title	Use of free-form surface to simulate local refractive index changes in plastic lenses measured using polariscopic device
dc.title	Uso de superficies free-form para simular los cambios locales de indice de refracción en lentes de plástico a partir de su medida polariscópica
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	In this paper we propose a method to convert the local variations of refractive index into local changes of one surface of the lens, which then can then be described as a free-form surface, easy to introduce in conventional simulation tools. The proposed method tries to provide an equivalent model of the lens with refractive index variations where the index changes have been replaced for local thickness variations on the lens' surface. The local thickness variations can be fitted at a freeform description that holds all the local index variations through the OPD (Optical patch difference) using a B-Spline description and a simplex algorithm to find the best fitted surface.
dc.description.abstract	Peer Reviewed

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