NASA NTRS · 19750041772
A SQUID readout system for a superconducting gyroscope
Abstract
A design of a read out system for a superconducting gyroscope to be used in an orbiting gyroscope relativity experiment is discussed. The 'London Moment' of the superconducting rotor, which lies along the spin axis of the rotor, will be measured with a SQUID-type magnetometer. The SQUID will be built around the gyro rotor, with a very close spacing to give an inductance between 10 millionths and 1 millionth Hy. A SQUID of this design should resolve 2.07 times 10 to the minus 19th weber. The angular resolution of the gyroscope will then be 0.0035 arc-second, which is sufficient for the intended experiment.
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Hendricks, J. B.. 1975-03-01. A SQUID readout system for a superconducting gyroscope. https://ntrs.nasa.gov/citations/19750041772
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