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Piotr슠Orleanski; Miroslaw슠Ciechanowicz; Malgorzata슠Michalska; Witold슠Nowosielski; Miroslaw슠Rataj; Marek슠Winkler |
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LCU: the control unit dedicated for local oscillator subsystem in ESA HIFI/Herschel project |
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Conference Article |
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2006 |
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Proc. SPIE |
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6159 |
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RPLAB @ s @ LO_control_HIFI_Heschel_2006 |
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391 |
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de Graauw, Thijs; Whyborn, Nick; Caux, Emmanuel; Phillips, Tom; Stutzki, Juergen; Tielens, Xander; Güsten, Rolf; Helmich, Frank; Luinge, W.; Pearson, John; Roelfsema, Peter; Schieder, Rudolf; Wildeman, Klaas; Wafelbakker, Kees |
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The Herschel-heterodyne instrument for the far-infrared (HIFI) |
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Conference Article |
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2006 |
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Proc. SPIE |
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Orlando |
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421 |
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Thijs de Graauw; Nick Whyborn; Frank Helmich; Pieter Dieleman; Peter Roelfsema; Emmanuel Caux; Tom Phillips; Jürgen Stutzki; Douwe Beintema; Arnold Benz; Nicolas Biver; Adwin Boogert; Francois Boulanger; Sergey Cherednichenko; Odile Coeur-Joly; Claudia Comito; Emmanuel Dartois; Albrecht de Jonge; Gert de Lange; Ian Delorme; Anna DiGiorgio; Luc Dubbeldam; Kevin Edwards; Michael Fich; Rolf Güsten; Fabrice Herpin; Netty Honingh; Robert Huisman; Herman Jacobs; Willem Jellema; Jon Kawamura; Do Kester; Teun Klapwijk; Thomas Klein; Jacob Kooi; Jean-Michel Krieg; Carsten Kramer; Bob Kruizenga; Wouter Laauwen; Bengt Larsson; Christian Leinz; Rene Liseau; Steve Lord; Willem Luinge; Anthony Marston; Harald Merkel; Rafael Moreno; Patrick Morris; Anthony Murphy; Albert Naber; Pere Planesas; Jesus Martin-Pintado; Micheal Olberg; Piotr Orleanski; Volker Ossenkopf; John Pearson; Michel Perault; Sabine Phillip; Mirek Rataj; Laurent Ravera; Paolo Saraceno; Rudolf Schieder; Frank Schmuelling; Ryszard Szczerba; Russell Shipman; David Teyssier; Charlotte Vastel; Huib Visser; Klaas Wildeman; Kees Wafelbakker; John Ward; Roonan Higgins; Henri Aarts; Xander Tielens; Peer Zaal |
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Title |
The Herschel-heterodyne instrument for the far-infrared (HIFI): instrument and pre-launch testing |
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Conference Article |
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2008 |
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Proc. SPIE |
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7010 |
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701004 |
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422 |
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Gol'tsman, Gregory N.; Vachtomin, Yuriy B.; Antipov, Sergey V.; Finkel, Matvey I.; Maslennikov, Sergey N.; Smirnov, Konstantin V.; Polyakov, Stanislav L.; Svechnikov, Sergey I.; Kaurova, Natalia S.; Grishina, Elisaveta V.; Voronov, Boris M. |
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Title |
NbN phonon-cooled hot-electron bolometer mixer for terahertz heterodyne receivers |
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Conference Article |
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Year |
2005 |
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Proc. SPIE |
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Proc. SPIE |
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5727 |
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95-106 |
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NbN HEB mixers |
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We present the results of our studies of NbN phonon-cooled HEB mixers at terahertz frequencies. The mixers were fabricated from NbN film deposited on a high-resistivity Si substrate with an MgO buffer layer. The mixer element was integrated with a log-periodic spiral antenna. The noise temperature measurements were performed at 2.5 THz and at 3.8 THz local oscillator frequencies for the 3 x 0.2 μm2 active area devices. The best uncorrected receiver noise temperatures found for these frequencies are 1300 K and 3100 K, respectively. A water vapour discharge laser was used as the LO source. The largest gain bandwidth of 5.2 GHz was achieved for a mixer based on 2 nm thick NbN film deposited on MgO layer over Si substrate. The gain bandwidth of the mixer based on 3.5 nm NbN film deposited on Si with MgO is 4.2 GHz and the noise bandwidth for the same device amounts to 5 GHz. We also present the results of our research into decrease of the direct detection contribution to the measured Y-factor and a possible error of noise temperature calculation. The use of a square nickel cell mesh as an IR-filter enabled us to avoid the effect of direct detection and measure apparent value of the noise temperature which was 16% less than that obtained using conventional black polyethylene IR-filter. |
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Terahertz and Gigahertz Electronics and Photonics IV |
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378 |
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David Olaya; Jian Wei; Sergei Pereverzev; Karasik, Boris S.; Kawamura, Jonat.han H.; McGrath, William R.; Sergeyev, Andrei V.; Gershenson, Michael E. |
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An ultrasensitive hot-electron bolometer for low-background SMM applications |
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Conference Article |
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2006 |
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Proc. SPIE |
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6275 |
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627506 |
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RPLAB @ s @ qoheb_det_SPIE_Olaya_2006 |
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387 |
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Karpov, A.; Miller, D.; Rice, F.; Stern, J. A.; Bumble, B.; LeDuc, H. G.; Zmuidzinas, J. |
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Development of 1.25 THz SIS mixer for Herschel Space Observatory |
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Conference Article |
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2006 |
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Proc. SPIE |
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6275 |
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62751 |
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Zmuidzinas, Jonas; Holland, Wayne S. |
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RPLAB @ s @ Karpov_SIS_2006 |
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401 |
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Brown, Robert. L. |
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Technical specification of the Millimeter Array |
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1998 |
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Proc. SPIE, Advanced Technology MMW, Radio, and Terahertz Telescopes, vol. 3357 |
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231-237 |
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Phillips, Thomas G. |
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Address is unknown |
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RPLAB @ s @ ALMA_tech |
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287 |
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Huebers, H.-W.; Semenov, A.; Richter, H.; Birk, M.; Krocka, M.; Mair, U.; Smirnov, K.; Gol’tsman, G. N.; Voronov, B. M. |
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Title |
Superconducting hot electron bolometer as mixer for far-infrared heterodyne receivers |
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Conference Article |
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2003 |
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Proc. SPIE |
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Proc. SPIE |
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4855 |
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395-401 |
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NbN HEB mixers |
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Abstract |
Heterodyne receivers for applications in astronomy need quantum limited sensitivity. In instruments which are currently under development for SOFIA or Herschel superconducting hot electron bolometers (HEB) will be used to achieve this goal at frequencies above 1.4 THz. We present results of the development of a phonon-cooled NbN HEB mixer for GREAT, the German Receiver for Astronomy at Terahertz Frequencies, which will be flown aboard SOFIA. The mixer is a small superconducting bridge incorporated in a planar feed antenna and a hyperhemispherical lens. Mixers with logarithmic-spiral and double-slot feed antennas have been investigated with respect to their noise temperature, conversion loss, linearity and beam pattern. At 2.5 THz a double sideband noise temperature of 2200 K was achieved. The conversion loss was 17 dB. The response of the mixer was linear up to 400 K load temperature. The performance was verified by measuring an emission line of methanol at 2.5 THz. The measured linewidth is in good agreement with the linewidth deduced from pressure broadening measurements at millimeter wavelength. The results demonstrate that the NbN HEB is very well suited as a mixer for far-infrared heterodyne receivers. |
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SPIE |
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Tucson, USA |
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Phillips, T. G.; Zmuidzinas, J. |
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Presented at the Society of Photo-Optical Instrumentation Engineers (SPIE) Conference |
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4855 |
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Millimeter and Submillimeter Detectors for Astronomy |
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335 |
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Amato, Michael J.; Benford, Dominic J.; Moseley, Harvey S.; Juan Roman |
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An engineering concept and enabling technologies for a large single aperture far-infrared observatory (SAFIR) |
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2003 |
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Proc. SPIE |
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4850 |
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1120-1131 |
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RPLAB @ s @ sun_shield_SAFIR_SPIE_2003 |
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339 |
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Yorke, Harold W.; Paine, Christopher G.; Bradford, Charles M.; Mark Dragovan; Nash, Al E.; Dooley, Jennifer A.; Lawrence, Charles R. |
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Title |
Thermal design trades for SAFIR architecture concepts |
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2004 |
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Proc. SPIE |
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5487 |
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1617-1624 |
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RPLAB @ s @ sun_shield_SAFIR_SPIE_2004 |
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340 |
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