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Kostiuk, T. (2003). Heterodyne spectroscopy in the thermal infrared region: a window on physics and chemistry. In University of Maryland Inn and Conference Center (Ed.), Proc. International Thermal Detectors Workshop (TDW'03), session 7 (Heterodyne detectors). 3501 University Boulevar East Adelphi, MD 20783.
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Snyder Hale, D. D. (2003). A thermal infrared heterodyne receiver with applications to astronomy. Berkeley, CA 94720.
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Stéphane Claude. (2003). Sideband-separating SIS mixer for ALMA band 7, 275–370 GHz. In Proc. 14th Int. Symp. Space Terahertz Technol. (41). Tucson, USA.
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Grimes, P., Kittara, P., Yassin, G., Withington, S., & Jacobs, K. (2003). Investigation of the performance of a 700 GHz nline mixer. In Proc. 14th Int. Symp. Space Terahertz Technol. (247). Tucson, USA.
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Hajenius, M., Baselmans, J. J. A., Gao, J. R., Klapwijk, T. M., de Korte, P. A. J., Voronov, B., et al. (2003). Improved NbN phonon cooled hot electron bolometer mixers. In Proc. 14th Int. Symp. Space Terahertz Technol. (pp. 413–423). Tucson, USA.
Abstract: NbN phonon-cooled hot electron bolometer mixers (HEBs) have been realized with negligible contact resistance to Au pads. By adding either a 5 nm Nb or a 10 nm NbTiN layer between the Au and NbN, to preserve superconductivity in the NbN under the Au contact pad, superior noise temperatures have been obtained. Using DC I,V curves and resistive transitions in combination with process parameters we analyze the nature of these improved devices and determine interface transparencies.
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