Tests of cryogenic SQUID for geomagnetic field measurements. Final report
Technical Report
·
OSTI ID:7256947
A type of cryogenic SQUID (superconducting quantum interference device) magnetometer was designed for geomagnetic measurements. Field tests of the instrument including comparisons to observatory variometers, a rubidium magnetometer, an induction loop, and a fluxgate magnetometer showed the new cryogenic systems to be reliable, accurate, portable and simple to operate. Directional measurements of natural magnetic field fluctuations as small as 0.0001 gamma with periods from 0.5 sec to several hours were demonstrated.
- Research Organization:
- National Bureau of Standards, Washington, DC (USA)
- OSTI ID:
- 7256947
- Report Number(s):
- COM-75-50359
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CRYOGENICS
ELECTRONIC EQUIPMENT
FLUXGATE MAGNETOMETERS
FLUXMETERS
GEOMAGNETIC FIELD
MAGNETIC FIELDS
MAGNETOMETERS
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
PERFORMANCE TESTING
SQUID DEVICES
SUPERCONDUCTING DEVICES
TESTING
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CRYOGENICS
ELECTRONIC EQUIPMENT
FLUXGATE MAGNETOMETERS
FLUXMETERS
GEOMAGNETIC FIELD
MAGNETIC FIELDS
MAGNETOMETERS
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
PERFORMANCE TESTING
SQUID DEVICES
SUPERCONDUCTING DEVICES
TESTING