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Proceedings Paper

Improvement of Fresnel type diffractive optical elements on spatial light modulators limited by a reduced phase range
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Paper Abstract

We propose the implementation of improved Fresnel type diffractive optical elements (DOEs) on spatial light modulators with a limited phase modulation capability. For the design of our elements we developed a method of design, that starts with an element formed by the phase function of a pixelated lens (PL), modulated by the phase of a lenslet array. The design is subject to a large number of phase levels in a limited range (smaller than 2π). We show that the undesirable effects produced by the complex modulation of a spatial light modulator (specifically, a twisted nematic liquid crystal display) can be minimized when improved Fresnel type DOEs are used. Simulation and optical reconstructions corroborate our proposal.

Paper Details

Date Published: 6 November 2003
PDF: 8 pages
Proc. SPIE 5174, Novel Optical Systems Design and Optimization VI, (6 November 2003); doi: 10.1117/12.504948
Show Author Affiliations
Luis A. Gonzalez, Univ. de Sonora (Mexico)
Victor Arrizon, Instituto Nacional de Astrofisica, Optica y Electronica (Mexico)


Published in SPIE Proceedings Vol. 5174:
Novel Optical Systems Design and Optimization VI
Jose M. Sasian; R. John Koshel; Paul K. Manhart, Editor(s)

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