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Proceedings Paper

Analysis of the diffraction efficiency of reflection and transmission holographic gratings by means of a parallel FDTD approach
Author(s): J. Francés; S. Bleda; S. Gallego; C. Neipp; A. Márquez; I. Pascual; A. Beléndez
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Paper Abstract

In this work a vectorized and parallel version of the Finite-Difference Time-Domain method (FDTD) is applied to Volume Holographic Gratings (VHG) and Thin-Film Filters (TFF). In particular, in this work gratings with a grating period vector forming an arbitrary angle with the perpendicular to the plane of incidence are analyzed. Angular and wavelength selectivity are obtained by means of the normalized diffraction efficiency. These parameters are positively compared with experimental values and also with analytical closed expressions, thus validating our method. Furthermore, analysis of the performance of the parallel method is shown obtaining a severe improvement with respect to the classical version of the FDTD method. This improvement of the algorithm provides a feasible and accurate scheme for simulating a wide range of optical devices.

Paper Details

Date Published: 21 September 2011
PDF: 13 pages
Proc. SPIE 8167, Optical Design and Engineering IV, 816709 (21 September 2011); doi: 10.1117/12.896873
Show Author Affiliations
J. Francés, Univ. de Alicante (Spain)
S. Bleda, Univ. de Alicante (Spain)
S. Gallego, Univ. de Alicante (Spain)
C. Neipp, Univ. de Alicante (Spain)
A. Márquez, Univ. de Alicante (Spain)
I. Pascual, Univ. de Alicante (Spain)
A. Beléndez, Univ. de Alicante (Spain)


Published in SPIE Proceedings Vol. 8167:
Optical Design and Engineering IV
Jean-Luc M. Tissot; Jeffrey M. Raynor; Laurent Mazuray; Rolf Wartmann; Andrew Wood, Editor(s)

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