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Measuring Mirror Tilt With High AccuracyStroboscopic technique freezes mirror motion so displacements can be measured. Improved autocollimator accurately measures angular tilt of plane mirrors in rotational or reciprocating motion. Device is conventional autocollimator in which steady light source is replaced by stroboscope synchronized with mirror motion. It is accurate to 1 second of arc.
Document ID
19820000180
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Magner, T. J.
Date Acquired
August 10, 2013
Publication Date
March 1, 1983
Publication Information
Publication: NASA Tech Briefs
Volume: 7
Issue: 1
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
GSC-12701
ISSN: 0145-319X
Report Number: GSC-12701
Accession Number
82B10180
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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