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Tunable acoustical optical filterSolid state filter with active crystal element increases sensitivity and resolution of passive and active spectrometers. Filter is capable of ranging through infrared and visible spectra, can be built as portable device for field use, and is suitable for ecological surveying, for pollution detection, and for pollutant classification.
Document ID
19760000340
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Lane, A. L.
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
NPO-13640
Accession Number
76B10340
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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