Quasi-optical integrated circuits

Details Quasi-optical integrated circuits Quasi-optical integrated circuits

1974-09-30

1976-03-16

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

With impedance matching

307299R, 333 81B, 333 95R, 333 98R, 350 96WG, H01P 118, H01P 132, H01P 320, H01P 900

Patent

active

039449505

ABSTRACT:
A quasi-optical integrated circuit which makes use of a high resistivity k single crystal intrinsic semiconductor as a low loss quasi-optical wave transmission medium for millimeter and submillimeter waves having one or more circuit elements or devices disposed either at or near the surface of a portion of the semiconductor, or formed within a portion of either the semiconductor transmission medium or a portion of a high resistivity single crystal intrinsic semiconductor appendage to said semiconductor transmission medium. By varying the potential applied to said elements or devices, one can control either the phase or the amplitude of quasi-optical wave propagation along the semiconductor waveguide; moreover, solid state devices such as quasi-optical generators, mixers and detectors can be formed within the semiconductor wave transmission medium itself. Quasi-optical generators also can be obtained by inserting a negative resistance device in an aperture disposed within a cavity resonator which is made of a material of high dielectric constant and high resistivity.

REFERENCES:
patent: 2977551 (1961-03-01), Gibson et al.
patent: 3327247 (1967-06-01), Toda
patent: 3356866 (1967-12-01), Misawa
patent: 3417246 (1968-12-01), Hall

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