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Proceedings Paper

Guided Waves On Corrugated Surfaces And Their Link With Grating Anomalies And Coupling Phenomenon
Author(s): Michel Neviere
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Paper Abstract

The existence of a comnlex pole of the reflection coefficient of a metallic plane, or of the zero order efficiency of a metallic grating, implies the existence of a homogeneous solution of Maxwell equations. Such a solution, which exists in the absence of any incident wave, is a guided wave on the plane or corrugated surface and is responsible for several strange phenomena such as grating anomalies, total absorption of light by a grating, or the coupling of a laser beam into an optical waveguide by means of a photoresist grating. For TM polarization, the guided wave is usually due to plasmon resonance in the metal. But similar phenomena can be observed for TE polarization provided one superimposes a dielectric overcoating with convenient thickness on top of the metallic grating.

Paper Details

Date Published: 10 February 1981
PDF: 8 pages
Proc. SPIE 0240, Periodic Structures, Gratings, Moire Patterns, and Diffraction Phenomena I, (10 February 1981); doi: 10.1117/12.965648
Show Author Affiliations
Michel Neviere, Laboratoire d'Optique Electromagnetique (France)

Published in SPIE Proceedings Vol. 0240:
Periodic Structures, Gratings, Moire Patterns, and Diffraction Phenomena I
C. H. Chi; E. G. Loewen; C. L. O'Bryan III, Editor(s)

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