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Author 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. url  doi
openurl 
  Title (up) 2.5 THz multipixel heterodyne receiver based on NbN HEB mixers Type Conference Article
  Year 2006 Publication Proc. SPIE Abbreviated Journal Proc. SPIE  
  Volume 6275 Issue Pages 62750I (1 to 11)  
  Keywords HEB, mixer, membrane  
  Abstract 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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  Notes Approved no  
  Call Number Serial 561  
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Author Yagoubov, P.; Hoogeveen, R.; Torgashin, M.; Khudchenko, A.; Koshelets, V.; Suttiwong, N.; Wagner, G.; Birk M. openurl 
  Title (up) 550-650 GHz spectrometer development for TELIS Type Conference Article
  Year 2006 Publication Proc. 17th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 338-341  
  Keywords SIR  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 528  
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Author Shitov, Sergey V.; Vystavkin, Alexander N. openurl 
  Title (up) A design analysis of imaging radiometer with antenna-coupled transition-edge sensors Type Journal Article
  Year 2006 Publication Nuclear Instruments and Methods in Physics Research A Abbreviated Journal  
  Volume 559 Issue Pages 503-505  
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  Notes Approved no  
  Call Number RPLAB @ s @ det_imag_radiometer_Shitov Serial 402  
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Author Dauler, E. A.; Kerman, A. J.; Robinson, B. S.; Yang, J. K. W.; Voronov, B. M.; Gol’tsman, G. N.; Berggren, K. K. url  doi
openurl 
  Title (up) Achieving high counting rates in superconducting nanowire single-photon detectors Type Conference Article
  Year 2006 Publication CLEO/QELS Abbreviated Journal CLEO/QELS  
  Volume Issue Pages JTuD3 (1 to 2)  
  Keywords SSPD; SNSPD; Detectors; Photodetectors; Quantum optics; Quantum detectors; Photon counting; Photons; Pulse shaping; Quantum communications; Single photon detectors; Superconductors  
  Abstract Kinetic inductance is determined to be the primary limitation to the counting rate of superconducting nanowire single-photon counters. Approaches for overcoming this limitation will be discussed.  
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  Publisher Optical Society of America Place of Publication Editor  
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  ISSN ISBN Medium  
  Area Expedition Conference Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies  
  Notes Approved no  
  Call Number Serial 1451  
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Author David Olaya; Jian Wei; Sergei Pereverzev; Karasik, Boris S.; Kawamura, Jonat.han H.; McGrath, William R.; Sergeyev, Andrei V.; Gershenson, Michael E. openurl 
  Title (up) An ultrasensitive hot-electron bolometer for low-background SMM applications Type Conference Article
  Year 2006 Publication Proc. SPIE Abbreviated Journal  
  Volume 6275 Issue Pages 627506  
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  Notes Approved no  
  Call Number RPLAB @ s @ qoheb_det_SPIE_Olaya_2006 Serial 387  
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Author Koshelets, V. P.; Khudchenko, A. V. openurl 
  Title (up) Analysis of spectral characteristics of a superconducting integrated receiver Type Journal Article
  Year 2006 Publication J. Communications Technol. Electron. Abbreviated Journal  
  Volume 51 Issue 5 Pages 596-603  
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  Notes Approved no  
  Call Number RPLAB @ s @ mix_SIR Serial 400  
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Author Koshelets, V. P.; Khudchenko, A. V. url  doi
openurl 
  Title (up) Analysis of spectral characteristics of a superconducting integrated receiver Type Journal Article
  Year 2006 Publication J. Communications Technol. Electron. Abbreviated Journal  
  Volume 51 Issue 5 Pages 596-603  
  Keywords SIR  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1064-2269 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 526  
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Author url  openurl
  Title (up) Atacama Pathfinder Experiment APEX Type
  Year 2006 Publication Abbreviated Journal  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ s @ APEX_proj Serial 396  
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Author Kenyon, M.; Day, P. K.; Bradford, C. M.; Bock, J. J.; Leduc, H. G. openurl 
  Title (up) Background-limited membrane-isolated TES bolometers for far-IR/submillimeter direct-detection spectroscopy Type Journal Article
  Year 2006 Publication Nucl. Instr. & Meth. Phys. Res. A Abbreviated Journal  
  Volume 559 Issue Pages 456-458  
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  Notes Approved no  
  Call Number RPLAB @ s @ TES_NEP_1e_19 Serial 384  
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Author Gao, J. R.; Hajenius, M.; Tichelaar, F. D.; Voronov, B.; Grishina, E.; Klapwijk, T. M.; Gol'tsman, G.; Zorman, C. A. url  openurl
  Title (up) Can NbN films on 3C-SiC/Si change the IF bandwidth of hot electron bolometer mixers? Type Conference Article
  Year 2006 Publication Proc. 17th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 17th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 187-189  
  Keywords NbN HEB mixers  
  Abstract We realized ultra thin NbN films sputtered grown on a 3C-SiC/Si substrate. The film with a thickness of 3.5-4.5 nm shows a 1', of 11.8 K, which is the highest I`, observed among ultra thin NbN films on different substrates. The high-resolution transmission electron microscopy (HRTEM) studies show that the film has a monocrystalline structure, confirming the epitaxial growth on the 3C-SiC. Based on a two-temperature model and input parameters from standard NbN films on Si, simulations predict that the new film can increase the IF bandwidth of a HEB mixer by about a factor of 2 in comparison to the standard films. In addition, we find standard NbN films on Si with a T c of 9.4 K have a thickness of around 5.5 nm, being thicker than expected (3.5 nm).  
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  Notes Approved no  
  Call Number Serial 1439  
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Author Brown, E. R.; Lee, A. W. M.; Navi, B. S.; Bjarnason, J. E. openurl 
  Title (up) Characterization of a planar self-complementary square-spiral antenna in the THz region Type Journal Article
  Year 2006 Publication Microwave and Optical Technology Letters Abbreviated Journal Microwave Opt Technol Lett  
  Volume 48 Issue 3 Pages 524-529  
  Keywords optical antennas; square spiral antenna; self complementary THz; photomixing; lens; method of moments; geometric optics; physical optics  
  Abstract This paper describes a compact, self-complementary square-spiral antenna on a GaAs substrate with a broadside high-directivity (~9 dB) frequency-independent pattern when coupled through a silicon hyperhemisphere. The driving-point resistance undulates between ~00 and 300Ω from 200 GHz to 1 THz—much higher than the 72Ω value from Booker's modified formula, but quite beneficial for coupling to high-impedance broadband devices  
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  Notes Approved no  
  Call Number RPLAB @ gujma @ Serial 736  
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Author Jiang, Ling; Miao, Wei; Zhang, Wen; Li, Ning; Lin, Zhen Hui; Yao, Qi Jun; Shi, Sheng-Cai; Svechnikov, S. I.; Vakhtomin, Y. B.; Antipov, S. V.; Voronov, B. M.; Kaurova, N. S.; Gol'tsman, G. N. url  doi
openurl 
  Title (up) Characterization of a quasi-optical NbN superconducting HEB mixer Type Journal Article
  Year 2006 Publication IEEE Trans. Microwave Theory Techn. Abbreviated Journal IEEE Trans. Microwave Theory Techn.  
  Volume 54 Issue 7 Pages 2944-2948  
  Keywords NbN HEB mixers  
  Abstract In this paper, the performance of a quasi-optical NbN superconducting hot-electron bolometer (HEB) mixer, cryogenically cooled by a close-cycled 4-K refrigerator, is thoroughly investigated at 300, 500, and 850 GHz. The lowest receiver noise temperatures measured at the respective three frequencies are 1400, 900, and 1350 K, which can go down to 659, 413, and 529 K, respectively, after correcting the loss and associated noise contribution of the quasi-optical system before the measured superconducting HEB mixer. The stability of the quasi-optical superconducting HEB mixer is also investigated here. The Allan variance time measured with a local oscillator pumping at 500 GHz and an IF bandwidth of 110 MHz is 1.5 s at the dc-bias voltage exhibiting the lowest noise temperature and increases to 2.5 s at a dc bias twice that voltage.  
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  ISSN 0018-9480 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1448  
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Author Jiang, Ling; Miao, Wei; Zhang, Wen; Li, Ning; Lin, Zhen Hui; Yao, Qi Jun; Shi, Sheng-Cai; Svechnikov, Sergey I.; Vakhtomin, Yury B.; Antipov, Sergey V.; Voronov, Boris M.; Kaurova, Natalia S.; Gol'tsman, Gregory N. url  openurl
  Title (up) Characterization of quasi-optical NbN phonon-cooled superconducting HEB mixers Type Conference Article
  Year 2006 Publication Proc. 17th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 17th Int. Symp. Space Terahertz Technol.  
  Volume Issue Pages 55-58  
  Keywords NbN HEB mixers  
  Abstract In this paper, we thoroughly investigate the performance of quasi-optical NbN phonon-cooled superconducting hot-electron bolometer (HEB) mixers, cryogenically cooled by a close-cycled 4-K refrigerator at 500 GI-1z and 850 GHz. The uncorrected lowest receiver noise Abstract---In temperatures measured are 800 K at 500 CHz without anti-reflection coating, and 1000 K @ 850 GHz with a 50 11M thick Mylar anti-reflection coating. The dependence of receiver noise temperature on the critical current and bath temperature of HEB mixer is also investigated here. Lifetime of quasi-optical superconducting NbN HEB mixers of different volumes, room temperature resistances, and critical temperatures are thoroughly studied. Increased room temperature resistance with time over the initial resistance changes between 1 and 1.2, and the reduced critical current with time over the initial value fluctuates slightly around 0.7 for most HEB mixers even of different volumes, room temperature resistances, and critical temperatures. The critical current degrades sharply vvhile room temperature resistance varies over 1.25.  
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  Notes Approved no  
  Call Number Serial 1435  
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Author Baryshev A. M.; Candotti, M.; Trappe, N. A. openurl 
  Title (up) Cross-polarization characteristics of GORE-TEX slabs at band 9 frequencies Type Miscellaneous
  Year 2006 Publication ALMA Memo Abbreviated Journal  
  Volume Issue 551 Pages  
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  Notes Approved no  
  Call Number RPLAB @ s @ Serial 447  
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Author Karpov, A.; Miller, D.; Rice, F.; Stern, J. A.; Bumble, B.; LeDuc, H. G.; Zmuidzinas, J. openurl 
  Title (up) Development of 1.25 THz SIS mixer for Herschel Space Observatory Type Conference Article
  Year 2006 Publication Proc. SPIE Abbreviated Journal  
  Volume 6275 Issue Pages 62751  
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  Publisher Place of Publication Editor Zmuidzinas, Jonas; Holland, Wayne S.  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ s @ Karpov_SIS_2006 Serial 401  
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