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Proceedings Paper

Description of Talbot array illuminators as a collection of multiplexed pixelated lenses
Author(s): Gustavo E. Rojo-Velazquez; Victor M. Arrizon
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Paper Abstract

We show that a finite Talbot array illuminator (TAI) with reconstruction field at a fraction of the Talbot distance (z equals MZT/N), can be interpreted as an array of M (or 2M) interlaced pixelated lenses sharing a common focal length f equals MZT/N. We found also that the transmittance of a finite TAI can be expressed as a single pixelated lens modulated by a phase grating whose basic cell has M (or 2M) pixels. Based on this description of a TAI we propose a method to improve its performance as generator of a finite spot array at the reconstruction plane.

Paper Details

Date Published: 10 March 2000
PDF: 8 pages
Proc. SPIE 3951, Diffractive/Holographic Technologies and Spatial Light Modulators VII, (10 March 2000); doi: 10.1117/12.379376
Show Author Affiliations
Gustavo E. Rojo-Velazquez, Instituto Nacional de Astrofisica, Optica y Electronica (Mexico)
Victor M. Arrizon, Instituto Nacional de Astrofisica, Optica y Electronica (Mexico)


Published in SPIE Proceedings Vol. 3951:
Diffractive/Holographic Technologies and Spatial Light Modulators VII
Ivan Cindrich; Sing H. Lee; Richard L. Sutherland, Editor(s)

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