Výsledky vyhledávání - "D.E. Travers"

Superconducting Films for Absorber-Coupled MKID Detectors for Sub-Millimeter and Far-Infrared Astronomy

Autor: Joseph S. Adams, Jonas Zmuidzinas, Thomas R. Stevenson, Samuel H. Moseley, D.E. Travers, Wen-Ting Hsieh, Edward J. Wollack, Kongpop U-Yen

Publikováno v: IEEE Transactions on Applied Superconductivity. 19:561-564

We describe measurements of the properties, at dc, gigahertz, and terahertz frequencies, of thin (10 nm) aluminum films with 10 ohm/{rm square}$ normal state sheet resistance. Such films can be applied to construct microwave kinetic inductance detect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af619a13e74820d61a18b1c0eed6088d
https://doi.org/10.1109/tasc.2009.2019661

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Design of a Transition-Edge Hot-Electron Microbolometer for Millimeter-Wave Astrophysical Observations

Autor: Wen-Ting Hsieh, Edward J. Wollack, Jay Chervenak, Peter T. Timbie, Thomas R. Stevenson, Kevin L. Denis, Timothy M. Miller, K. U-Yen, D.E. Travers, Christine A. Allen, E. M. Barrentine, S. H. Moseley, Ari-David Brown, N. Cao, S. Ali

Publikováno v: IEEE Transactions on Applied Superconductivity. 19:528-531

We are developing a Transition-edge Hot-electron Microbolometer (THM) with the capacity to make sensitive and broadband astrophysical observations over frequencies ranging from 30-300 GHz (10-1 mm). This micron-sized bolometer consists of a supercond

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b172faf9930178f8b3b0d6b81ce8efc8
https://doi.org/10.1109/tasc.2009.2017956

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Cosmic Microwave Background Polarization Detector with High Efficiency, Broad Bandwidth, and Highly Symmetric Coupling to Transition Edge Sensor Bolometers

Autor: N. Cao, Dominic J. Benford, Thomas R. Stevenson, Kevin L. Denis, George M. Voellmer, Wen-Ting Hsieh, Gideon Schneider, Charles L. Bennett, Edward J. Wollack, Samuel J. Moseley, A. Kogut, David T. Chuss, John Panek, Kongpop U-Yen, D.E. Travers

Publikováno v: Journal of Low Temperature Physics. 151:471-476

We describe a prototype detector system designed for precise measurements of Cosmic Microwave Background polarization. The design combines a quasi-optical polarization modulator, a metal feedhorn, a superconducting planar microwave circuit, and a pai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c09f9d412b4e23179709730504311adc
https://doi.org/10.1007/s10909-007-9679-0

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Fabrication of Metallic Magnetic Calorimeter X-ray Detector Arrays

Autor: H. Eguchi, D.E. Travers, Gideon Schneider, Enectali Figueroa-Feliciano, Simon R. Bandler, Wen-Ting Hsieh, J. A. Adams, Thomas R. Stevenson, H. Rotzinger, George M. Seidel, Kevin L. Denis, Joern Beyer

Publikováno v: Journal of Low Temperature Physics. 151:357-362

Microcalorimeters with metallic magnetic sensors show great promise for use in astronomical X-ray spectroscopy. We describe the design and fabrication of a lithographically patterned magnetic microcalorimeter. A paramagnetic AuEr film is sputter-depo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cd3af205c6821ac8647c6e37b954526b
https://doi.org/10.1007/s10909-007-9661-x

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Building blocks for a polarimeter-on-a-chip

Autor: Edward J. Wollack, Michele Limon, Wen-Ting Hsieh, Gideon Schneider, Alan J. Kogut, D.E. Travers, Thomas R. Stevenson, N. Cao

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 559:611-613

For the “Primordial Anisotropy Polarization Pathfinder Array (PAPPA)” balloon flight project, we have designed and made thin-film niobium microstrip circuits as building blocks for a “polarimeter-on-a-chip” in which superconducting transmissi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b1c28d65af87617c7630c360bdc25df
https://doi.org/10.1016/j.nima.2005.12.095

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Silicon hot-electron bolometers with single-electron transistor readout

Autor: Ross Henry, N. Cao, Gideon Schneider, Robert R. Mitchell, Thomas R. Stevenson, Hal D. Isenberg, Carl Michael Stahle, S. Harvey Moseley, Edward J. Wollack, Wen-Ting Hsieh, D.E. Travers

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 559:591-593

With the goal of making high-sensitivity bolometers for low-background measurements in the far-infrared or submillimeter, we have made small silicon thermistors, which act as hot-electron bolometers, with integrated single-electron transistors for re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::13f4fe670e7162476243712e40f608ff
https://doi.org/10.1016/j.nima.2005.12.077

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Silicon hot-electron bolometers

Autor: N. Cao, Robert R. Mitchell, Samuel H. Moseley, Gideon Schneider, Hal D. Isenberg, Edward J. Wollack, Carl Michael Stahle, Ross Henry, D.E. Travers, Thomas R. Stevenson, Wen-Ting Hsieh

Publikováno v: Millimeter and Submillimeter Detectors for Astronomy II.

We discuss a new type of direct detector, a silicon hot-electron bolometer, for measurements in the far-infrared and submillimeter spectral ranges. High performance bolometers can be made using the electron-phonon conductance in heavily doped silicon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::788dbd80a67c66b0281b1a5377a35d35
https://doi.org/10.1117/12.552459

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