Form of the electromagnetic field in the groove region of a perfectly conducting echelette grating
- 1 July 1983
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America
- Vol. 73 (7) , 963-965
- https://doi.org/10.1364/josa.73.000963
Abstract
When the electric field is parallel to the grooves, we show that, in general, this field cannot be represented by an expansion of the type Σ∞n=1 cnJv(kr)sin[v(θ- α)], with v = nπ/γ and γ the apex angle. Such an assumption has been used, for example, by Jovicevic and Sesnic [J. Opt. Soc. Am. 62, 865 (1972)].Keywords
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