Josephson junction Q-spoiler

Patent · Tue Mar 22 00:00:00 EST 1988

OSTI ID:5542418

Clarke, J; Hilbert, C; Hahn, E L; Sleator, T

This patent describes a detection system for detecting the gyroprecessional resonance of a specimen having a particle system with magnetic or electric dipole moments: The detection system comprises: means for irradiating the specimen with a pulse of high frequency radiation, detector means for detecting signals produced by magnetic resonance of the specimen, a dc SQUID having a superconducting ring and two shunted Josephson tunnel junctions interrupting the ring, the ring having a bias current input at one side thereof between the junctions and bias current output at the other side thereof between the junctions, means for establishing a constant magnetic flux threading the SQUID ring, means for supplying a bias current to the bias current input of the SQUID an input coil inductively coupled to the SQUID ring, and a resonant circuit coupling the detector means to the input coil.

• Assignee: The Regents of the Univ. of California, Berkeley, CA
• Patent Number(s): US 4733182; A
• Application Number: PPN: US 6-844034A; TRN: 91-021933
• OSTI ID: 5542418
• Resource Relation: Patent File Date: 25 Mar 1986
• Country of Publication: United States
• Language: English

Related Subjects

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
RADIATION DETECTORS
DESIGN
OPERATION
DC SYSTEMS
ELECTRIC CURRENTS
ELECTRIC DIPOLE MOMENTS
IRRADIATION
JOSEPHSON JUNCTIONS
MAGNETIC DIPOLE MOMENTS
MAGNETIC FLUX
MAGNETIC RESONANCE
SQUID DEVICES
TUNNEL EFFECT
CURRENTS
DIPOLE MOMENTS
ELECTRIC MOMENTS
ELECTRONIC EQUIPMENT
ENERGY SYSTEMS
EQUIPMENT
FLUXMETERS
JUNCTIONS
MAGNETIC MOMENTS
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
POWER SYSTEMS
RESONANCE
SUPERCONDUCTING DEVICES
SUPERCONDUCTING JUNCTIONS
440104* - Radiation Instrumentation- High Energy Physics Instrumentation