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Proceedings Paper

Plane transverse waveguide windows: survey of formulas for reflection, transmission, and absorption
Author(s): H.-U. Nickel
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Paper Abstract

The theory of waveguide windows has been well known for a long time. Nevertheless, in some recent works, several formulas have been used which lead to different results, especially for window absorption. Since the problem of heat generation (e.g. in high-power windows) often has to be solved by people not specialized in rf- or optical engineering, it seems to be useful to summarize the necessary formulas and to discuss their application. This paper presents a set of consistent equations for reflection, transmission, and absorption of a single waveguide mode, passing through a plane transverse window. Special cases, such as a resonant, an antiresonant, and a sheet window, are discussed. The scattering matrix formulation allows an easy calculation, even of more complex multilayer window structures (e.g. double disk windows or coated disks).

Paper Details

Date Published: 1 October 1991
PDF: 2 pages
Proc. SPIE 1576, 16th International Conference on Infrared and Millimeter Waves, 157667 (1 October 1991); doi: 10.1117/12.2297936
Show Author Affiliations
H.-U. Nickel, Kernforschungszentrum Karlsruhe GmbH (Germany)

Published in SPIE Proceedings Vol. 1576:
16th International Conference on Infrared and Millimeter Waves
Minh Quang Tran, Editor(s)

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