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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 21 — Oct. 8, 2012
  • pp: 23502–23517

Parabasal field decomposition and its application to non-paraxial propagation

Daniel Asoubar, Site Zhang, Frank Wyrowski, and Michael Kuhn  »View Author Affiliations

Optics Express, Vol. 20, Issue 21, pp. 23502-23517 (2012)

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The fast and accurate propagation of general optical fields in free space is still a challenging task. Most of the standard algorithms are either fast or accurate. In the paper we introduce a new algorithm for the fast propagation of non-paraxial vectorial optical fields without further physical approximations. The method is based on decomposing highly divergent (non-paraxial) fields into subfields with small divergence. These subfields can then be propagated by a new semi-analytical spectrum of plane waves (SPW) operator using fast Fourier transformations. In the target plane, all propagated subfields are added coherently. Compared to the standard SPW operator, the numerical effort is reduced drastically due to the analytical handling of linear phase terms arising after the decomposition of the fields. Numerical results are presented for two examples demonstrating the efficiency and the accuracy of the new method.

© 2012 OSA

OCIS Codes
(220.2560) Optical design and fabrication : Propagating methods
(260.1960) Physical optics : Diffraction theory
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Physical Optics

Original Manuscript: July 24, 2012
Revised Manuscript: August 30, 2012
Manuscript Accepted: August 31, 2012
Published: September 28, 2012

Daniel Asoubar, Site Zhang, Frank Wyrowski, and Michael Kuhn, "Parabasal field decomposition and its application to non-paraxial propagation," Opt. Express 20, 23502-23517 (2012)

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