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Methane Detector With Plastic Fresnel LensLaser detector for natural gas leaks modified by substitution of molded plastic lens for spherical mirror. By measuring relative attenuation at two wavelengths, detector used to check for methane escaping from pipelines above or below ground and from landfill.
Document ID
19850000321
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Grant, W. B.
(Caltech)
Date Acquired
August 12, 2013
Publication Date
January 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 9
Issue: 3
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
NPO-16284
Accession Number
85B10321
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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