| Records |
| Author |
Koshelets, V. P.; Dmitriev, P. N.; Ermakov, A. B.; Filippenko, L. V.; Koryukin, O. V.; Torgashin, M. Yu.; Khudchenko, A. V. |
| Title |
Integrated superconducting spectrometer for atmosphere monitoring |
Type |
Journal Article |
| Year |
2005 |
Publication |
Radiophys. Quant. Electron. |
Abbreviated Journal |
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| Volume |
48 |
Issue  |
10-11 |
Pages |
844-850 |
| Keywords |
SIR |
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Edition |
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| ISSN |
0033-8443 |
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| Notes |
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no |
| Call Number |
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Serial |
519 |
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| Author |
Финкель, М. И.; Масленников, С. Н.; Гольцман, Г. Н. |
| Title |
Супергетеродинные терагерцовые приёмники со сверхпроводниковым смесителем на электронном разогреве |
Type |
Journal Article |
| Year |
2005 |
Publication |
Известия высших учебных заведений. Радиофизика |
Abbreviated Journal |
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| Volume |
48 |
Issue |
10 |
Pages |
964-970 |
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| Language |
russian |
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| Notes |
Duplicated as 381 |
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no |
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Serial |
380 |
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| Author |
Тарасов, М.; Кузьмин, Л. |
| Title |
Концепция смесителя на основе болометра на холодных электронах |
Type |
Journal Article |
| Year |
2005 |
Publication |
Письма в ЖЭТФ |
Abbreviated Journal |
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| Volume |
81 |
Issue |
10 |
Pages |
661-664 |
| Keywords |
CEB, mixer |
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no |
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Serial |
545 |
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| Author |
Encrenaz, Thérèse |
| Title |
Neutral Atmospheres of the Giant Planets: An Overview of Composition Measurements |
Type |
Journal Article |
| Year |
2005 |
Publication |
Space Science Reviews |
Abbreviated Journal |
Space Sci Rev |
| Volume |
116 |
Issue |
1-2 |
Pages |
99-119 |
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| ISSN |
0038-6308 |
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no |
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RPLAB @ s @ |
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443 |
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| Author |
Gonzalez, F.J.; Ilic, B.; Alda, J.; Boreman, G.D. |
| Title |
Antenna-coupled infrared detectors for imaging applications |
Type |
Journal Article |
| Year |
2005 |
Publication |
IEEE J. Sel. Topics Quantum Electron. |
Abbreviated Journal |
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| Volume |
11 |
Issue |
1 |
Pages |
117 - 120 |
| Keywords |
optical antennas |
| Abstract |
Infrared focal plane arrays (IRFPAs) are a critical component in advanced infrared imaging systems. IRFPAs are made up of two parts, a detector array and a readout integrated circuit (ROIC) multiplexer. Current ROIC technology has typical pitch sizes of 20×20 to 50×50 μm2. In order to make antenna-coupled detectors suited for infrared imaging systems, two-dimensional (2-D) arrays have been fabricated that cover a whole pixel area with the penalty of increasing the noise figure of the detector and, therefore, reducing its performance. By coupling a Fresnel zone plate lens to a single element antenna-coupled detector, infrared radiation can be collected over a typical pixel area and still keep low-noise levels. A Fresnel zone plate lens coupled to a single-element square-spiral-coupled infrared detector has been fabricated and its performance compared to single element antenna-coupled detectors and 2-D arrays of antenna coupled detectors. Measurements made at 10.6 μm showed a two-order-of-magnitude increase in SNR and a ~× increase in D* as compared to 2-D arrays of antenna-coupled detectors. |
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no |
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RPLAB @ gujma @ |
Serial |
741 |
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| Author |
Yagoubov, P.; van de Stadt, H.; Hoogeveen, R.; Koshelets, V.; Birk, Manfred; Murk, A. |
| Title |
OPTICAL DESIGN OF SUB-MILLIMETER SPECTROMETER FOR LIMB SOUNDER |
Type |
Journal Article |
| Year |
2005 |
Publication |
International Symposium on Space Terahertz Technology |
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Issue |
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Pages |
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| Keywords |
Cryogenic terahertz heterodyne receiver, remote sensing, TELIS, submillimeter |
| Abstract |
TELIS (Terahertz and submm Limb Sounder) is a cooperation between DLR (Institute for Remote Sensing Technology, Germany), RAL (Rutherford Appleton Laboratories, UK) and SRON (National Institute for Space Research, the Netherlands), to build a three-channel balloon-borne heterodyne spectrometer for atmospheric research. The three receivers will operate simultaneously at 500 GHz (channel developed by RAL), at 550-650 GHz (SRON in collaboration with IREE), and at 1.8 THz (DLR). The balloon platform on which TELIS will fly also contains a Fourier transform spectrometer: MIPAS-B developed by the IMK (Institute of Meteorology and Climate research of the University of Karlsruhe, Germany). MIPAS-B will simultaneously measure within the range 680 to 2400 cm-1. The combination of the TELIS and MIPAS instruments will provide an unprecedented wealth of scientific data and will also be used to validate other instruments and atmospheric chemistry models. In this paper we present the optical design of TELIS with an emphasis on the 550-650 GHz channel. The main design goal was to generate a high efficiency antenna beam over the full frequency range, with low side lobes and close to diffraction limited angular resolution in the vertical direction at the sky. All these requirements had to be achieved within a small volume and low mass. Design and validation of the optics, as well as estimation of optical components tolerances, was done using commercial software packages ZEMAX and GRASP. |
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| Notes |
event_dates=2005-05-31 – 2005-06-03; |
Approved |
no |
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Serial |
414 |
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| Author |
de Graauw, T.; Caux, E.; Guesten, R.; Helmich, F.; Pearson, J.; Phillips, T. G.; Schieder, R.; Tielens, X.; Saraceno, P.; Stutzki, J.; Wafelbakker, C. K.; Whyborn, N. D. |
| Title |
The Herschel-heterodyne instrument for the far-infrared (HIFI) |
Type |
Conference Article |
| Year |
2005 |
Publication |
Bulletin of the American Astronomical Society |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
1219 |
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Bulletin of the American Astronomical Society |
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37 |
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no |
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ref2005AAS...207.3503D |
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420 |
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| Author |
Cherednichenko, S.; Kollberg, E.; Angelov, I.; Drakinskiy, V.; Berg, T.; Merkel, H. |
| Title |
Effect of the direct detection effect on the HEB receiver sensitivity calibration |
Type |
Conference Article |
| Year |
2005 |
Publication |
Proc. 16th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
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Issue |
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Pages |
235-239 |
| Keywords |
HEB, mixer, direct detection effect |
| Abstract |
We analyze the scale of the HEB receiver sensitivity calibration error caused by the so called “direct detection effect”. The effect comes from changing of the HEB parameters when whey face the calibration loads of different temperatures. We found that for HIFI Band 6 mixers (Herschel Space Observatory) the noise temperature error is of the order of 8% for 300K/77K loads (lab receiver) and 2.5% for 100K/10K loads (in HIFI). Using different approach we also predict that with an isolator between the mixer and the low noise amplifiers the error can be much smaller. |
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Göteborg, Sweden |
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no |
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360 |
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| Author |
Karpov, A.; Miller, D.; Stern, J. A.; Bumble, B.; LeDuc, H. G.; Zmuidzinas, J. |
| Title |
Low noise NbTiN 1.25 THz SIS mixer for Herschel Space Observatory |
Type |
Conference Article |
| Year |
2005 |
Publication |
Proc. 16th Int. Symp. Space Terahertz Technol. |
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Issue |
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Pages |
450 |
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Göteborg, Sweden |
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no |
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RPLAB @ s @ nt_SIS_760at1p25THz |
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359 |
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| Author |
Marrone, Daniel P.; Raymond Blundell; Edward Tong; Paine, Scott. N.; Denis Loudkov; Jonathan Kawamura; Daniel Luhr; Claudio Barrientos |
| Title |
Observations in the 1.3 and 1.5 THz atmospheric windows with the Receiver Lab Telescope |
Type |
Conference Article |
| Year |
2005 |
Publication |
Proc. 16th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
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Issue |
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Pages |
64-67 |
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Göteborg, Sweden |
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no |
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RPLAB @ s @ RLT_observ |
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361 |
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