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Achromatic diffractive lens written onto a liquid crystal display
Márquez Ruiz, Andrés (Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal)
Iemmi, Claudio (Universidad de Buenos Aires. Departamento de Fisica)
Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física)
Yzuel Giménez, María Josefa (Universitat Autònoma de Barcelona. Departament de Física)

Date: 2006
Abstract: We propose a programmable diffractive lens written onto a liquid crystal display (LCD) that is able to provide equal focal lengths for several wavelengths simultaneously. To achieve this goal it is necessary that the LCD operate in the phase-only regime simultaneously for the different wavelengths. We design the appropriate lens for each wavelength, and then the lenses are spatially multiplexed onto the LCD. Various multiplexing schemes have been analyzed, and the random scheme shows the best performance. We further show the possibility of finely tuning the chromaticity of the focal spot by changing the relative weights of the multiplexing among the various wavelengths.
Note: Número d'acord de subvenció MCYT/BFM2003-06273-C02-01/FISI
Rights: Tots els drets reservats.
Language: Anglès.
Document: article ; recerca ; publishedVersion
Subject: Òptica
Published in: Optics letters, Vol. 31, No. 3 (1 February 2006) , p. 392-394, ISSN 0146-9592

DOI: 10.1364/OL.31.000392


3 p, 508.0 KB

The record appears in these collections:
Articles > Research articles
Articles > Published articles

 Record created 2014-05-12, last modified 2019-09-27



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