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Spatial filter for Q-switched laserSet of compound lenses reduces ionization and sparks that frequently occur around pinhole aperture in spatial filter. Lens system produces astigmatic focus near pinhole, reducing energy level there below ionization theshold.
Document ID
19760000501
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Heflinger, L. O. (TRW, Inc.)
Wuerker, R. F. (TRW, Inc.)
Date Acquired
August 8, 2013
Publication Date
March 1, 1977
Publication Information
Publication: NASA Tech Briefs
Volume: 1
Issue: 4
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
LEW-12164
Report Number: LEW-12164
ISSN: 0145-319X
Accession Number
76B10501
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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