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Light-direction sensor based on birefringencyOptical system consisting of polarizer, analyzer, quarterwave retarder converts incident light beam to one which has an intensity related to the extent the incident beam is off axis.
Document ID
19730000131
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Johnston, A. R.
Date Acquired
August 7, 2013
Publication Date
March 1, 1973
Subject Category
Physical Sciences
Report/Patent Number
NPO-11201
Report Number: NPO-11201
Accession Number
73B10131
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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