Search Results - "Brasunas, J. C"

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    Deposition of high quality YBa2Cu3O7− x films on ultrathin (12 μm thick) sapphire substrates for infrared detector applications by Piqué, A., Harshavardhan, K. S., Moses, J., Mathur, M., Venkatesan, T., Brasunas, J. C., Lakew, B.

    Published in Applied physics letters (25-09-1995)
    “…High quality epitaxial YBa2Cu3O7−x (YBCO) thin films have been deposited on 12 μm thick (11̄02) oriented sapphire substrates using a CeO2 buffer layer. Both…”
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    Journal Article
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    High- Tc, transition-edge superconducting (TES) bolometer on a monolithic sapphire membrane—construction and performance by Lakew, B., Brasunas, J.C., Aslam, S., Pugel, D.E.

    Published in Sensors and actuators. A. Physical. (20-08-2004)
    “…Suspended, monolithic, 12 μm thick, low thermal mass r-plane sapphire membranes with predictable thermal isolation have been fabricated for use in the…”
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    Journal Article
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    High T c superconductor bolometer with record performance by Brasunas, J. C., Lakew, B.

    Published in Applied physics letters (07-02-1994)
    “…We have used prethinned sapphire substrates to make a YBa2Cu3O7−x thin-film, transition-edge bolometer with peak detectivity of 6×109 cm Hz1/2/W near 4 Hz and…”
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    A comment on the reported detectivity of a new uncooled thermal infrared detector by Brasunas, J.C., Lakew, B., Fettig, R.

    Published in Sensors and actuators. A. Physical. (28-02-2002)
    “…A recently published paper describes a newly developed, uncooled thermal infrared detector using a silicon diode. The authors state the detector demonstrates a…”
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    Measuring and modeling the frequency response of infrared detectors by Brasunas, John C.

    Published in Infrared physics & technology (01-03-1997)
    “…It is shown that a light-emitting diode is a simple way of characterizing the frequency response of an infrared detector over several decades of frequency,…”
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    Thallium-bromo-iodide as a far-infrared beamsplitter for Fourier transform spectroscopy by Brasunas, John C.

    Published in Infrared physics & technology (01-03-1997)
    “…We show that room-temperature, thallium-bromo-iodide is a useful material for a beamsplitter for spectroscopy in the far-infrared, to near 50 μm wavelength…”
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    High- Tc superconducting bolometer on chemically-etched 7 μm thick sapphire by Lakew, B., Brasunas, J.C., Piqué, A., Fettig, R., Mott, B., Babu, S., Cushman, G.M.

    Published in Physica. C, Superconductivity (2000)
    “…A transition-edge IR detector, using a YBa 2Cu 3O 7− x (YBCO) thin film deposited on a chemically etched 7 μm thick sapphire substrate has been built. To our…”
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