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Pinhole diffraction filterMultistage diffraction filter consisting of coalined series of pinholes on parallel sheets can be used as nondegradable UV filter. Beam is attenuated as each pinhole diffracts radiation in controlled manner into divergent beam, and following pinhole accepts only small part of that beam.
Document ID
19760000333
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Woodgate, B. E.
Date Acquired
August 8, 2013
Publication Date
January 1, 1977
Publication Information
Publication: NASA Tech Briefs
Volume: 1
Issue: 3
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
GSC-12120
Accession Number
76B10333
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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