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Improvements In A Laser-Speckle Surface-Strain GaugeCompact optical subsystem incorporates several improvements over optical subsystems of previous versions of laser-speckle surface-strain gauge: faster acquisition of data, faster response to transients, reduced size and weight, lower cost, and less complexity. Principle of operation described previously in "Laser System Measures Two-Dimensional Strain" (LEW-15046), and "Two-Dimensional Laser-Speckle Surface-Strain Gauge" (LEW-15337).
Document ID
19960021834
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Lant, Christian T. (Sverdrup Technology, Inc.)
Date Acquired
August 17, 2013
Publication Date
April 1, 1996
Publication Information
Publication: NASA Tech Briefs
Volume: 20
Issue: 4
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
LEW-15914
Accession Number
96B10170
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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