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Displaying 26 - 43 of 43

Normal Metal-insulator-superconductor Junction Technology for Bolometers

April 15, 2006
Author(s)
Dan Schmidt, William Duncan, Kent D. Irwin, Konrad Lehnert, Nathan A. Tomlin, Joel Ullom
Normal metal-insulator-superconductor tunnel junctions are candidates for large-format arrays of ultra-low noise equivalent power bolometers. Using a wafer scale process we have fabricated devices with required the sub $\mu}$m$^3}$ volumes and ohmic

Microwave SQUID multiplexers for low-temperature detectors

January 10, 2006
Author(s)
Kent D. Irwin, James A. Beall, W.Bertrand (Randy) Doriese, William Duncan, Gene C. Hilton, John Mates, Carl D. Reintsema, Dan Schmidt, Joel Ullom, Leila R. Vale, Barry L. Zink, Konrad Lehnert
We report on the development of a SQUID multiplexer operated at microwave frequencies. This multiplexer can accommodate any detector that can be read out with SQUIDs, including transition-edge sensors, magnetic calorimeters, and superconductor-insulator

Microwave SQUID multiplexer

September 13, 2004
Author(s)
Kent D. Irwin, Konrad Lehnert
We describe a superconducting quantum interference device (SQUID) multiplexer operated at microwave frequencies. The outputs of multiple SQUIDs are simultaneously modulated at different frequencies, frequency-division multiplexed, and amplified using a
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