Dielectric waveguide including a tapered wave absorber

Details Dielectric waveguide including a tapered wave absorber Dielectric waveguide including a tapered wave absorber

1994-11-22

1996-06-04

Lee, Benny T.

Wave transmission lines and networks

Dissipating terminations for long lines

Fluid-cooling

333 81B, 333239, 333248, H01P 126, H01P 122, H01P 316

Patent

active

055237274

ABSTRACT:
A dielectric waveguide has a pair of parallel flat metallic plates spaced from each other, a dielectric strip sandwiched between the parallel flat metallic plates, and a wave absorber sandwiched between the parallel flat metallic plates and extending parallel to the dielectric strip. The wave absorber has a tapered portion which is progressively closer to the dielectric strip in a direction away from an inlet end of the wave absorber. The wave absorber has a side surface which may be held in contact with a side surface of the dielectric strip to provide a termination for eliminating reflections of input electromagnetic waves applied to the nonradiative dielectric waveguide, or may be spaced from a side surface of the dielectric strip to provide an attenuator for attenuating the power of input electromagnetic waves applied to the nonradiative dielectric waveguide.

REFERENCES:
patent: 2595078 (1952-04-01), Iams
patent: 4028643 (1977-06-01), Itoh
patent: 4463330 (1984-07-01), Yoneyama
patent: 4511865 (1985-04-01), Dixon, Jr.
patent: 4689584 (1987-08-01), Sequeira
Millimeter Wave Integrated Circuits Using Nonradiative Dielectric Waveguide, Journal of Institute of Elec. & Comm. Eng. of Japan, C-1, vol. J73-C-1, No. 3, pp. 87-94 (Mar. 1990).

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