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Rotary shutter mechanism contains optical elementsTwo cylindrical shutter mechanisms having fixed outer sleeves and rotating inner sleeves use single stepping motor and Geneva mechanism to sequentially move optical components into path of ultraviolet monochromator for output control to photomultiplier. Photometric and wavelength calibration sources insure shutter positions according to operational phases.
Document ID
19720000386
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Weilbach, A. O. (Beckman Instr., Inc.)
Date Acquired
August 6, 2013
Publication Date
December 1, 1972
Subject Category
Physical Sciences
Report/Patent Number
GSC-11244
Report Number: GSC-11244
Accession Number
72B10387
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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