Adjustable microwave antenna

Details Adjustable microwave antenna Adjustable microwave antenna

1996-08-01

1998-04-07

Le, Hoanganh T.

Communications: radio wave antennas

Antennas

Antenna components

343909, H01Q 1502, H01Q 1523

Patent

active

057369666

ABSTRACT:
The invention relates to a microwave antenna for the generation of a beam with adjustable parameters. Use is made of a reflective Fresnel zone plate that is written into a thin layer of silicon by means of a laser plus deflection means. A reflector is positioned behind the Fresnel zone plate for reflecting microwave radiation that is not reflected by the Fresnel zone plate.

REFERENCES:
patent: 3273155 (1966-09-01), Raabe
patent: 3530475 (1970-09-01), Danielson
patent: 3848255 (1974-11-01), Migdal
patent: 4905014 (1990-02-01), Gonzalez et al.
patent: 5389944 (1995-02-01), Collinge et al.
patent: 5585812 (1996-12-01), Reits

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