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Proceedings Paper

Interaction of Gaussian beams with a conducting finite grating: transmission case
Author(s): M G. Martinez-Flores; J. Sumaya-Martínez; G. Montiel-Gonzalez; J. C. Corona-Oran; O. Mata-Méndez
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Paper Abstract

Diffraction of an obliquely incident 􀜶􀜧-polarized Gaussian beams by 􀜰 equally spaced slits (finite lamellar grating) with conducting substrate is treated. The substrate can be either vacuum or conductor. The diffracted (transmitted) patterns, the transmission coefficient, and the normally diffracted energy are analyzed as a function of several optogeometrical parameters. Particularly, the coupling between slits and the influence of the substrate is considered. We have found that, when the substrate is a conductor the grating equation in transmission predicts with good precision the positions of the orders of diffraction of a finite grating; the angular positions of these orders are independents of the beam width, the spot position on the finite grating, and the conductivity of the substrate.

Paper Details

Date Published: 15 October 2011
PDF: 9 pages
Proc. SPIE 8287, Eighth Symposium Optics in Industry, 82870Q (15 October 2011); doi: 10.1117/12.912496
Show Author Affiliations
M G. Martinez-Flores, Univ. Autónoma del Estado de México (Mexico)
J. Sumaya-Martínez, Univ. Autónoma del Estado de México (Mexico)
G. Montiel-Gonzalez, Univ. Autónoma del Estado de México (Mexico)
J. C. Corona-Oran, Univ. Autónoma del Estado de México (Mexico)
O. Mata-Méndez, Instituto Politécnico Nacional (Mexico)


Published in SPIE Proceedings Vol. 8287:
Eighth Symposium Optics in Industry
Eric Rosas; Norberto Arzate; Ismael Torres; Juan Sumaya, Editor(s)

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