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SEPIA345: A 345 GHz...
SEPIA345: A 345 GHz dual polarization heterodyne receiver channel for SEPIA at the APEX telescope
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- Meledin, Denis, 1974 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Lapkin, Igor, 1963 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Fredrixon, Mathias, 1972 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sundin, Erik, 1979 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ferm, Sven-Erik, 1961 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Pavolotskiy, Alexey, 1968 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Strandberg, Magnus, 1975 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Desmaris, Vincent, 1977 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- López, Cristian D. (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bergman, Per, 1960 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Olberg, Michael, 1956 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Conway, John, 1963 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Torstensson, Karl, 1977 (author)
- European Southern Observatory Santiago,Atacama Large Millimeter-submillimeter Array (ALMA)
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- Duran, C. (author)
- European Southern Observatory Santiago
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- Montenegro-Montes, F.M. (author)
- European Southern Observatory Santiago,Universidad Complutense de Madrid,Complutense University
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- De Breuck, C. (author)
- European Southern Observatory (ESO)
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- Belitsky, Victor, 1955 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2022-11-28
- 2022
- English.
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In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 668
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https://research.cha... (primary) (free)
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https://research.cha...
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https://doi.org/10.1...
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Abstract
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- Context. We describe the new SEPIA345 heterodyne receiver channel installed at the Atacama Pathfinder EXperiment (APEX) telescope, including details of its configuration, characteristics, and test results on sky. SEPIA345 is designed and built to be a part of the Swedish ESO PI Instrument for the APEX telescope (SEPIA). This new receiver channel is suitable for very high-resolution spectroscopy and covers the frequency range 272- 376 GHz. It utilizes a dual polarization sideband separating (2SB) receiver architecture, employing superconductor-isolator-superconductor mixers (SIS), and provides an intermediate frequency (IF) band of 4- 12 GHz for each sideband and polarization, thus covering a total instantaneous IF bandwidth of 4 ÃÂ - 8 = 32 GHz. Aims. This paper provides a description of the new receiver in terms of its hardware design, performance, and commissioning results. Methods. The methods of design, construction, and testing of the new receiver are presented. Results. The achieved receiver performance in terms of noise temperature, sideband rejection, stability, and other parameters are described. Conclusions. SEPIA345 is a commissioned APEX facility instrument with state-of-the-art wideband IF performance. It has been available on the APEX telescope for science observations since July 2021.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Keyword
- Submillimeter: general
- Instrumentation: detectors
- Techniques: spectroscopic
Publication and Content Type
- art (subject category)
- ref (subject category)
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Meledin, Denis, ...
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Lapkin, Igor, 19 ...
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Fredrixon, Mathi ...
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Sundin, Erik, 19 ...
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Ferm, Sven-Erik, ...
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Pavolotskiy, Ale ...
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Strandberg, Magn ...
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Desmaris, Vincen ...
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López, Cristian ...
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Bergman, Per, 19 ...
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Olberg, Michael, ...
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Conway, John, 19 ...
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Torstensson, Kar ...
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Duran, C.
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Montenegro-Monte ...
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De Breuck, C.
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Belitsky, Victor ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Telecommunicatio ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Mechanical Engin ...
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and Aerospace Engine ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Signal Processin ...
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Astronomy and As ...
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Chalmers University of Technology