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Blundell, R.; Barrett, J.; H. Gibson, C. Gotteib; Hunter, T.; Kimberk, R.; Leiker, S.; Marrone, D.; Meledin, D.; Paine, S.; Papa, D. C.; Plante, R.; Riddle, P.; Smith, M.; Sridharan, T.; Tong, C. E.; Wilson, R.; Diaz, M.; Bronfman, L.; May, J.; Otarola, A.; Radford, S. J. |
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Prospects for terahertz radio astronomy from Northean Chile |
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2002 |
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Proc. 13th Int. Symp. Space Terahertz Technol. |
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159-166 |
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Cambridge, MA, USA |
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Harvard university |
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RPLAB @ s @ meledin_2p5_stability |
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327 |
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Baryshev, A.; Lauria, E.; Hesper, R.; Zijlstra, T.; Wild, W. |
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Fixed-tuned waveguide 0.6 THz SIS mixer with wide band IF |
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Conference Article |
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2002 |
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Proc. 13th Int. Symp. Space Terahertz Technol. |
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1-9 |
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Cambridge, MA, USA |
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Harward University |
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RPLAB @ s @ nt_SIS_136at0p65THz |
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328 |
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Semenov, Alexei; Hübers, Heinz.-Wilhelm; Richter, Heiko; Birk, Manfred; Krocka, Michael; Mair, Ulrich; Smirnov, Konstantin; Gol'tsman, Grigory; Voronov, Boris |
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Performance of terahertz heterodyne receiver with a superconducting hot-electron mixer |
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Conference Article |
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2002 |
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Proc. 13th Int. Symp. Space Terahertz Technol. |
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Proc. 13th Int. Symp. Space Terahertz Technol. |
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229-234 |
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During the past decade major advances have been made regarding low noise mixers for terahertz heterodyne receivers. State of the art hot-electron-bolometer (HEB) mixers have noise temperatures close to the quantum limit and require less than a microwatt power from the local oscillator (L0). The technology is now at a point where the performance of a practical receiver employing such mixer, rather than the figures of merit of the mixer itself, is of major concern. We have incorporated a phonon-cooled NbN HEB mixer in a 2.5 THz heterodyne receiver and investigated its performance. This yields important information for future development of heterodyne receivers such as GREAT (German receiver for astronomy at THz frequencies aboard SOFIA) [1] and TELIS (Terahertz limb sounder), a balloon borne heterodyne receiver for atmospheric research [2]. Both are currently under development at DLR. |
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1529 |
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