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Superconducting thin-film gyroscope readout for Gravity Probe-BThe high-resolution gyroscope readout system for the Stanford Gravity Probe-B experiment, whose purpose is to measure two general relativistic precessions of gyroscopes in earth orbit, is described. In order to achieve the required resolution in angle (0.001 arcsec), the readout system combines high-precision mechanical fabrication and measurement techniques with superconducting thin-film technology, ultralow magnetic fields, and SQUID detectors. The system design, performance limits achievable with current technology, and the results of fabrication and laboratory testing to date are discussed.
Document ID
19870065753
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lockhart, James M.
(Stanford University; San Francisco State University, CA, United States)
Cheung, W. Stephen
(Stanford Univ. CA, United States)
Gill, Dale K.
(Stanford University CA, United States)
Date Acquired
August 13, 2013
Publication Date
June 1, 1987
Publication Information
Publication: IEEE Transactions on Instrumentation and Measurement
Volume: IM-36
ISSN: 0018-9456
Subject Category
Spacecraft Instrumentation
Accession Number
87A53027
Funding Number(s)
CONTRACT_GRANT: NAS8-36125
Distribution Limits
Public
Copyright
Other

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