• Publications
  • Influence
Design and Operation of Stable rf‐Biased Superconducting Point‐Contact Quantum Devices, and a Note on the Properties of Perfectly Clean Metal Contacts
Point‐contact devices are described which have exhibited long‐term stability and reliability. A particular mode of operation of the devices as rf‐biased low‐frequency detectors is described inExpand
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MAGNETOCARDIOGRAMS TAKEN INSIDE A SHIELDED ROOM WITH A SUPERCONDUCTING POINT‐CONTACT MAGNETOMETER
A point‐contact (SQUID) magnetometer was used inside a shielded room to record the magnetic field of the human heart, without noise‐averaging. The resulting magnetocardiograms, with the peak signalExpand
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Macroscopic Quantum Interference Effects through Superconducting Point Contacts
A small-area contact between two pieces of superconducting metal or alloy is a remarkably sensitive and convenient device for demonstrating long-range quantum interference effects. It has been shownExpand
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A Comparison of Three Types of Pulse Tube Refrigerators: New Methods for Reaching 60K
Pulse tube or thermoacoustic refrigerators require only one moving part—an oscillating piston or diaphragm at room temperature. Refrigeration occurs within a tube connected to the pressure waveExpand
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MINIATURE ULTRASENSITIVE SUPERCONDUCTING MAGNETIC GRADIOMETER AND ITS USE IN CARDIOGRAPHY AND OTHER APPLICATIONS.
A portable magnetic gradiometer was built using an rf‐biased point contact device as a sensor and a superconducting flux transformer 2.5 cm in diameter by 10 cm long to couple to the gradient of theExpand
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Sensitivity Enhancement of Superconducting Quantum Interference Devices through the Use of Fractional‐Turn Loops
A new ``fractional‐turn'' configuration for superconducting quantum interference devices provides enhanced sensitivity, with large loop area and low loop inductance. By operating the newExpand
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NOISE THERMOMETRY WITH THE JOSEPHSON EFFECT.
Thermal noise causes a random frequency modulation of the self‐oscillation of a Josephson junction, and the temperature of the noise source can be determined by analysis of the generated signal. WeExpand
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Construction and Performance of Wire-Junction RF-SQUIDs
Two-hole symmetric rf-SQUID’s were made by using a pair of wire segments to form the point contact Josephson junction. The SQUID’s are reliable, easy to make and to adjust, and have a sensitivity ofExpand
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