Programmable apodizer to compensate chromatic aberration effects using a liquid crystal spatial light modulator

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Title: Programmable apodizer to compensate chromatic aberration effects using a liquid crystal spatial light modulator
Authors: Márquez, Andrés | Iemmi, Claudio | Campos Coloma, Juan | Escalera Merino, Juan Carlos | Yzuel Giménez, María Josefa
Research Group/s: Holografía y Procesado Óptico
Center, Department or Service: Univarsidad 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: Aberration compensation | Apodization | Spatial modulators | Liquid-crystal devices
Knowledge Area: Óptica
Date Created: 20-Dec-2004
Issue Date: 7-Feb-2005
Publisher: Optical Society of America
Citation: MÁRQUEZ RUIZ, Andrés, et al. "Programmable apodizer to compensate chromatic aberration effects using a liquid crystal spatial light modulator". Optics Express, Vol. 13, No. 3 (7 Febr. 2005). ISSN 1094-4087, pp. 716-730
Abstract: Programmable apodizers written on a liquid crystal spatial light modulator (LCSLM) offer the possibility of modifying the point spread function (PSF) of an optical system in monochromatic light with a high degree of flexibility. Extension to polychromatic light has to take into account the liquid crystal response dependence on the wavelength. Proper control of the chromatic properties of the LCSLM in combination with the design of the correct apodizer is necessary for this new range of applications. In this paper we report a successful application of a programmable amplitude apodizer illuminated with polychromatic light. We use an axial apodizing filter to compensate the longitudinal secondary axial color (LSAC) effects of a refractive optical system on the polychromatic PSF. The configuration of the LCSLM has been optimized to obtain a good amplitude transmission in polychromatic light. Agreement between experimental and simulated results shows the feasibility of our proposal.
Sponsor: Financial support from the Spanish Ministerio de Ciencia y Tecnología (grant BFM2003-06273-C02-01/FISI) and from Generalitat de Catalunya (grant ACI2003-42). C. Iemmi gratefully acknowledges the support of the Universidad de Buenos Aires and Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina).
ISSN: 1094-4087
DOI: 10.1364/OPEX.13.000716
Language: eng
Type: info:eu-repo/semantics/article
Rights: This paper was published in Optics Express 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: 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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