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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 17 — Aug. 16, 2010
  • pp: 17974–17982

Modeling of the angular tolerancing of an effective medium diffractive lens using combined finite difference time domain and radiation spectrum method algorithms

Victorien Raulot, Philippe Gérard, Bruno Serio, Manuel Flury, Bernard Kress, and Patrick Meyrueis  »View Author Affiliations


Optics Express, Vol. 18, Issue 17, pp. 17974-17982 (2010)
http://dx.doi.org/10.1364/OE.18.017974


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Abstract

A new rigorous vector-based design and analysis approach of diffractive lenses is presented. It combines the use of two methods: the Finite-Difference Time-Domain for the study in the near field, and the Radiation Spectrum Method for the propagation in the far field. This approach is proposed to design and optimize effective medium cylindrical diffractive lenses for high efficiency structured light illumination systems. These lenses are realised with binary subwavelength features that cannot be designed using the standard scalar theory. Furthermore, because of their finite and high frequencies characteristics, such devices prevent the use of coupled wave theory. The proposed approach is presented to determine the angular tolerance in the cases of binary subwavelength cylindrical lenses by calculating the diffraction efficiency as a function of the incidence angle.

© 2010 OSA

OCIS Codes
(050.1965) Diffraction and gratings : Diffractive lenses
(050.2065) Diffraction and gratings : Effective medium theory
(050.6624) Diffraction and gratings : Subwavelength structures

ToC Category:
Diffraction and Gratings

History
Original Manuscript: December 1, 2009
Revised Manuscript: January 19, 2010
Manuscript Accepted: January 19, 2010
Published: August 6, 2010

Citation
Victorien Raulot, Philippe Gérard, Bruno Serio, Manuel Flury, Bernard Kress, and Patrick Meyrueis, "Modeling of the angular tolerancing of an effective medium diffractive lens using combined finite difference time domain and radiation spectrum method algorithms," Opt. Express 18, 17974-17982 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-17-17974


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