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Window flaw detection by backscatter lightingPortable fiber-optic probe detects tiny flaws in transparent materials. Probe transmits light through surface to illuminate interior of material by backscattering off its edges. Light-sensitive contact paper records scratch pattern. Technique can be used for rapid visual checks. Flexible fiber optics are safely used in explosive or flammable areas; they present no hazard of breakage or contamination in controlled environments.
Document ID
19780000089
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Crockett, L. K.
(Rockwell Intern. Corp.)
Minton, F. R.
(Rockwell Intern. Corp.)
Date Acquired
August 9, 2013
Publication Date
June 1, 1978
Publication Information
Publication: NASA Tech Briefs
Volume: 3
Issue: 1
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MSC-16605
Accession Number
78B10089
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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