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Making Curved Frequency-Selective Microwave ReflectorsPrototype curved lightweight dichroic microwave reflectors designed to be highly reflective in X and K(suba) frequency bands and highly transmissive in K(subu) and S bands. Conductive grid elements formed photolithographically on curved reflector surfaces. Intended for use as subreflectors of main paraboloidal antenna reflector to enable simultaneous operation in both prime-focus configuration in K(subu) and S bands and Cassegrain configuration in X and K(suba) bands. Basic concepts of reflectors described in "Frequency-Selective Microwave Reflectors" (NPO-18701). "Double Square-Loop Dichroic Microwave Reflector" (NPO-18676), "Triband Circular-Loop Dichroic Microwave Reflector" (NPO-18714), and "Improved Dichroic Microwave Reflector" (NPO-18664).
Document ID
19950065529
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hickey, Gregory S. (Caltech)
Wu, Te-Kao (Caltech)
Date Acquired
August 17, 2013
Publication Date
August 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 8
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
NPO-18755
Accession Number
95B10370
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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