Variable-reflectivity device for varying output power of microwa

Details Variable-reflectivity device for varying output power of microwa Variable-reflectivity device for varying output power of microwa

1975-03-20

1976-04-06

Gensler, Paul L.

Wave transmission lines and networks

Attenuators

331182, H01P 122

Patent

active

039493288

ABSTRACT:
A microwave reflector device of small size, making it possible to deliver a predetermined quantity of the power generated by a high-power microwave generator, comprises a unidirectional element which imposes an appropriate constant load on the generator, and a reflector system constituted by a waveguide D tapped into the output waveguide T of the unidirectional element, said waveguide D being terminated at its free end by a metal plate carrying three quartz rods 10, 11, 12 designed to slide, parallel to the axis of the waveguide D, respectively in three metallic sleeves 13, 14, 15 having a circular shape and dimensioins such that they form cut-off waveguides at the operating frequency of the generator. The free end of each of the sleeves 13, 14, 15 provided with three respective rings 16, 17, 18 of absorber material.

REFERENCES:
patent: 2634331 (1953-04-01), Honda
patent: 3784777 (1974-01-01), Soulier

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