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Efficient, Narrow-Pass-Band Optical FiltersOptical filters with both narrow pass bands and high efficiencies fabricated to design specifications. Offer tremendous improvements in performance for number of optical (including infrared) systems. In fiber-optic and free-space communication systems, precise frequency discrimination afforded by narrow pass bands of filters provide higher channel capacities. In active and passive remote sensors like lidar and gas-filter-correlation radiometers, increased efficiencies afforded by filters enhance detection of small signals against large background noise. In addition, sizes, weights, and power requirements of many optical and infrared systems reduced by taking advantage of gains in signal-to-noise ratios delivered by filters.
Document ID
19960022398
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Sandford, Stephen P.
(NASA Langley Research Center, Hampton, VA.)
Date Acquired
August 17, 2013
Publication Date
May 1, 1996
Publication Information
Publication: NASA Tech Briefs
Volume: 20
Issue: 5
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
LAR-14743
Accession Number
96B10213
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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