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Mair, U.; Suttywong, N.; Hübers, H.-W.; Semenov, A. D.; Richter, H.; Wagner, G.; Birk, M. |
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Title |
Development of 1.8 THz receiver for the TELIS instrument |
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2005 |
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Proc. 16th Int. Symp. Space Terahertz Technol. |
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Göteborg, Sweden |
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Call Number |
RPLAB @ s @ qo_TELIS_1p8_THz |
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364 |
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Hübers, H. W.; Pavlov, S. G.; Semenov, A. D.; Tredicucci, A.; Köhler, R.; Mahler, L.; Beere, H. E.; Linfield, E. H.; Ritchie, D. A. |
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Title |
Investigation of a 2.5 THz quantum cascade laser as local oscillator |
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Conference Article |
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2005 |
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Proc. 16th Int. Symp. Space Terahertz Technol. |
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18 |
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Göteborg, Sweden |
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RPLAB @ s @ qc_lasers_huebers |
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366 |
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Semenov, A. D.; Il'in, K.; Siegel, M.; Smirnov, A.; Pavlov, S.; Richter, H.; Hübers, H.-W. |
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Title |
Evidence of non-bolometric mixing in the bandwidth of a hot-electron bolometer |
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Journal Article |
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2006 |
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Superconductor Science and Technology |
Abbreviated Journal |
Supercond. Sci. Technol. |
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19 |
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10 |
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1051-1056 |
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HEB |
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0953-2048 |
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536 |
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Cherednichenko, S.; Drakinskiy, V.; Baubert, J.; Lecomte, B.; Dauplay, F.; Krieg, J. M.; Delorme, Y.; Feret, A.; Hübers, H. W.; Semenov, A. D.; Gol'tsman, G. N. |
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2.5 THz multipixel heterodyne receiver based on NbN HEB mixers |
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Conference Article |
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2006 |
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Proc. SPIE |
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Proc. SPIE |
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6275 |
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62750I (1 to 11) |
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HEB, mixer, membrane |
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A 16 pixel heterodyne receiver for 2.5 THz has been developed based on NbN superconducting hot-electron bolometer (HEB) mixers. The receiver uses a quasioptical RF coupling approach where HEB mixers are integrated into double dipole antennas on 1.5 µm thick Si3N4/SiO2 membranes. Spherical mirrors (one per pixel) and backshort distance from the antenna have been used to design the output mixer beam profile. The camera design allows all 16 pixel IF readout in parallel. The gain bandwidth of the HEB mixers on Si3N4/SiO2 membranes was found to be 0.7÷0.9 GHz, which is much smaller than for similar devices on silicon. Application of buffer layers and use of alternative types of membranes (e.g. silicon-on-insulator) is under investigation. |
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561 |
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Nebosis, R. S.; Semenov, A. D.; Gousev, Yu. P.; Renk, K. F. |
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Title |
Rigorous analysis of a superconducting hot-electron bolometer mixer: theory and comparision with experiment |
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1996 |
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Proc. 7th Int. Symp. Space Terahertz Technol. |
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601-613 |
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HEB mixer, model, conversion gain, noise temperature, impedance, 2.5 THz |
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Charlottesville, Virginia, USA |
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605 |
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