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Search Publications by: Erich N. Grossman (Fed)

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Displaying 51 - 75 of 87

Superconducting Nb DHEB Mixer Arrays for Far-Infrared Spectroscopy

February 12, 2001
Author(s)
Eyal Gerecht, Carl D. Reintsema, Erich N. Grossman, A. L. Betz, R. T. Boreiko
We are developing a heterodyne focal plane array with up to eight elements to study lines with frequencies of 2 THz and above. It is intended for studies of the interstellar medium and planetary atmospheres. Our fabricatin process utilizes selective ion

Multiplexed Readout of Superconducting Bolometers

December 31, 2000
Author(s)
D. J. Benford, C. A. Allen, James A. Chervenak, M. M. Freund, A. S. Kutyrev, S. H. Mosely, Rick A. Shafer, Johannes G. Staguhn, Erich N. Grossman, Gene C. Hilton, Kent D. Irwin, John M. Martinis, Sae Woo Nam, Carl D. Reintsema
Studies of astrophysical emission in the far-infrared and submillimeter require large arrays of detectors containing from hundreds to thousands of elements. A multiplexed readout is necessary for practical implementation of such arrays, and can be

Performance of Multiplexed SQUID Readout for Cryogenic Sensor Arrays

December 31, 2000
Author(s)
James A. Chervenak, Erich N. Grossman, Kent D. Irwin, John M. Martinis, Carl D. Reintsema, C. A. Allen, David I. Bergman, S. H. Mosely, Rick A. Shafer
We report on the implementation of a multiplexer that users superconducting quantum interference devices (SQUIDs) to read out low-impedance cryogenic detectors. Using prototype chips, a circuit was built which interfaces eight input SQUID channels with a

Superconducting Transition Edge Sensor Bolometer Arrays for Submillimeter Astronomy

May 3, 2000
Author(s)
D. J. Benford, C. A. Allen, A. S. Kutyrev, S. H. Mosely, Rick A. Shafer, James A. Chervenak, Erich N. Grossman, Kent D. Irwin, John M. Martinis, Carl D. Reintsema
Studies of astrophysical emission in the far-infrared and submillimeter will increasingly require large arrays of detectors containing hundreds to thousands of elements. The last few years have seen the increasing from one to a few tens of bolometers on

Superconducting Transition-Edge Bolometer Arrays for Ultra-Low Power Radiometry

May 1, 2000
Author(s)
Erich N. Grossman, James A. Chervenak, Kent D. Irwin, Carl D. Reintsema
A new generation of ultra-low power bolometer arrays is under development for low background infrared astronomy. This paper describes radiometric measurements on such bolometers using a cryogenic blackbody source with accurately calculable throughput

Antenna-Coupled Niobium Bolometers for MM-Wave Imaging Arrays

November 1, 1999
Author(s)
Shalva Nolen, Jonathan A. Koch, Nicholas Paulter, Carl D. Reintsema, Erich N. Grossman
Antenna-coupled thin-film niobium microbolometers designed for mm-wave imaging arrays have been fabricated and their electrical properties measured. The niobium bolometers are operated at room temperature and are located at the feeds of half-wave dipole

Superconducting Multiplexer for Arrays of Transition Edge Sensors

June 28, 1999
Author(s)
James A. Chervenak, Kent D. Irwin, Erich N. Grossman, John M. Martinis, Carl D. Reintsema, Martin Huber
We report the design and testing of an analog superconducting time-division multiplexer to instrument large format arrays of low-temperature bolometers and microcalorimeters. The circuit is designed to multiplex an array of superconducting quantum