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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 7, Iss. 6 — Sep. 11, 2000
  • pp: 237–242

A rigorous unidirectional method for designing finite aperture diffractive optical elements

Jianhua Jiang and Gregory P. Nordin  »View Author Affiliations


Optics Express, Vol. 7, Issue 6, pp. 237-242 (2000)
http://dx.doi.org/10.1364/OE.7.000237


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Abstract

We have developed a rigorous unidirectional method for designing finite-aperture diffractive optical elements (DOE’s) that employs a micro-genetic algorithm (µGA) for global optimization in conjunction with a 2-D Finite-Difference Time-Domain (FDTD) method for rigorous electromagnetic computation. The theory and implementation of this µGA-FDTD design method for normally incident TE illumination are briefly discussed. Design examples are presented, including a micro-lens, a 1-to-2 beam-fanner and a 1-to-3 beam-fanner.

© Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(050.1220) Diffraction and gratings : Apertures
(050.1970) Diffraction and gratings : Diffractive optics
(230.3990) Optical devices : Micro-optical devices

ToC Category:
Research Papers

History
Original Manuscript: July 20, 2000
Published: September 11, 2000

Citation
Jianhua Jiang and Gregory Nordin, "A rigorous unidirectional method for designing finite aperture diffractive optical elements," Opt. Express 7, 237-242 (2000)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-7-6-237


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