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Wide-Field RetroreflectorsRetroreflectors made of concentric spherical optical elements developed for use in interferometric metrological systems. Used to provide reference point on structure to be aligned precisely in two or three dimensions by use of intersecting laser beams. Acceptance angle much larger than that of cat's-eye or corner-cube retroreflector: Simultaneously reflects laser beams separated by angles as large as 180 degrees.
Document ID
19940000305
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Page, Norman A. (Caltech)
Tubbs, Eldred F. (Caltech)
Date Acquired
August 16, 2013
Publication Date
May 1, 1994
Publication Information
Publication: Laser Tech. Brief.
Volume: 2
Issue: 2
Subject Category
Physical Sciences
Report/Patent Number
Report Number: NPO-18630
NPO-18630
Accession Number
94B10305
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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