© The Institution of Electrical Engineers
Groove guide promises low-loss transmission at short millimetric wavelengths, coupled with simple construction and convenient dimensions. Even though the guide is of overmoded dimensions, the groove acts as a higher-order-mode filter. Approximate analytical solutions are shown to be adequate to give sufficiently accurate propagation characteristics. Higher-mode suppression is investigated and shown to be effective at 8 mm wavelength.
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The groove guide, a low-loss waveguide for millimetre waves.
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Yee, H.Y., Audeh, N.F.: `Wave propagation in groove guides', Proceedings of National electronics conference, 1965, 21, p. 18–23.
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19770548
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