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

Luis A. Gonzalez; Victor Arrizon

doi:10.1117/12.504948

6 November 2003 Improvement of Fresnel type diffractive optical elements on spatial light modulators limited by a reduced phase range

Luis A. Gonzalez, Victor Arrizon

Author Affiliations +

Proceedings Volume 5174, Novel Optical Systems Design and Optimization VI; (2003) https://doi.org/10.1117/12.504948
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

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.

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Luis A. Gonzalez and Victor Arrizon "Improvement of Fresnel type diffractive optical elements on spatial light modulators limited by a reduced phase range", Proc. SPIE 5174, Novel Optical Systems Design and Optimization VI, (6 November 2003); https://doi.org/10.1117/12.504948

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