Achromatic diffractive lens written onto a liquid crystal display

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Title: Achromatic diffractive lens written onto a liquid crystal display
Authors: Márquez, Andrés | Iemmi, Claudio | Campos Coloma, Juan | Yzuel Giménez, María Josefa
Research Group/s: Holografía y Procesado Óptico
Center, Department or Service: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Buenos Aires. Departamento de Física | Universidad Autónoma de Barcelona. Departamento de Física
Keywords: Liquid crystal display | Diffractive optics | Point-spread function | Diffractive lens | Achromatic lens
Knowledge Area: Óptica | Física Aplicada
Date Created: 20-Jul-2005
Issue Date: 19-Oct-2005
Publisher: Optical Society of America
Citation: MÁRQUEZ RUIZ, Andrés, et al. "Achromatic diffractive lens written onto a liquid crystal display". Optics Letters. Vol. 31, No. 3 (Febr. 2006). ISSN 0146-9592, pp. 392-394
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.
Sponsor: We acknowledge financial support from the Spanish Ministerio de Ciencia y Tecnología (grant BFM2003-06273-C02-01/FISI) and from the Generalitat de Catalunya (grant ACI2003-42). C. Iemmi gratefully acknowledges the support of the Universidad de Buenos Aires and CONICET (Argentina).
URI: http://hdl.handle.net/10045/12551
ISSN: 0146-9592 (Print) | 1539-4794 (Online)
DOI: 10.1364/OL.31.000392
Language: eng
Type: info:eu-repo/semantics/article
Rights: This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-3-392. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Peer Review: si
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