Optical collimator
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United States of America Patent
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-
Dec 11, 1990
Issued Date -
N/A
app pub date -
Nov 27, 1985
filing date -
Jul 23, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An antenna adapted for millimeter wave applications has a dielectric lens with metalized reflective surfaces and uncoated refractive surfaces. A subreflector and polarization grating are provided on the central portion of a refractive surface.
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