Perfect blazing in transmission of an echelette dielectric grating metallized on one facet

Daniel R. Maystre; T. Delort; Jean-Pierre Laude

doi:10.1117/12.221239

22 September 1995 Perfect blazing in transmission of an echelette dielectric grating metallized on one facet

Daniel R. Maystre, T. Delort, Jean-Pierre Laude

Proceedings Volume 2532, Application and Theory of Periodic Structures; (1995) https://doi.org/10.1117/12.221239
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

By evaporating an infinitely thin layer of perfectly conducting metal on the small facet of the groove of a dielectric echelette grating then by superimposing an adequate inhomogeneous layer on top of the large facet, it is shown that a theoretical efficiency of 100% is obtained in a transmitted order. A numerical proof of this theoretical prediction is achieved using a computer code based on a rigorous finite-elements method. The curves of efficiency near the blazing effect show remarkable widths.

Citation Download Citation

Daniel R. Maystre, T. Delort, and Jean-Pierre Laude "Perfect blazing in transmission of an echelette dielectric grating metallized on one facet", Proc. SPIE 2532, Application and Theory of Periodic Structures, (22 September 1995); https://doi.org/10.1117/12.221239

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