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Proceedings Paper

Development of high-sensitive 1.2 mm imaging radiometer with two-polarization antenna-coupled TES-bolometer array for ground-based 6-m optical telescope
Author(s): Alexander N. Vystavkin; Alla G. Kovalenko; Sergey V Shitov; Andrey V. Pestryakov; Sergey E. Bankov; Vladimir F. Zabolotny; Elena V. Frolova; Ilya A. Cohn; Oleg V. Koryukin; Artem A. Kuzmin; Anton A. Zubovich; Andrey V. Uvarov; Aleksey S. Il'in; Vladimir N. Trofimov; Alexander N. Chernikov; Vyacheslav F. Vdovin; Vladimir G. Perminov; Oleg S. Bol'shakov; Marat G. Mingaliev; Gregory V. Yakopov
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Paper Abstract

We describe design of two-polarization imaging array of 7 antenna-coupled TES-bolometers. The fabrication procedure involves both electron beam lithography and convenient optical lithography resulting in submicron definition of TES absorber films (down to ~ 0.2 μm) integrated within planar submm-wave antenna. Concept of matching optics between the long-focus optical telescope and lens-antenna TES bolometer array is described. Two-mirror short-focusing beam concentrator in combination with image rotator provides signal coupling to immersion lenses of the array. Each TES bolometer is coupled via microstrip transmission line to only one polarization of two-polarization crossed double-slot lens-antenna. Design of cryogenic 0.3-K system accommodating the matching optics is presented. We describe multiplexing readout scheme, which combines tomography, rotational scanning of the image and frequency domain division methods that drastically reduce the amount of wiring and substantially increase the final image resolution, especially for low-dimension arrays.

Paper Details

Date Published: 18 July 2008
PDF: 12 pages
Proc. SPIE 7020, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV, 702024 (18 July 2008); doi: 10.1117/12.788744
Show Author Affiliations
Alexander N. Vystavkin, Institute of Radio Engineering and Electronics (Russia)
Alla G. Kovalenko, Institute of Radio Engineering and Electronics (Russia)
Sergey V Shitov, Institute of Radio Engineering and Electronics (Russia)
Andrey V. Pestryakov, Institute of Radio Engineering and Electronics (Russia)
Sergey E. Bankov, Institute of Radio Engineering and Electronics (Russia)
Vladimir F. Zabolotny, Institute of Radio Engineering and Electronics (Russia)
Elena V. Frolova, Institute of Radio Engineering and Electronics (Russia)
Ilya A. Cohn, Institute of Radio Engineering and Electronics (Russia)
Oleg V. Koryukin, Institute of Radio Engineering and Electronics (Russia)
Artem A. Kuzmin, Institute of Radio Engineering and Electronics (Russia)
Anton A. Zubovich, Institute of Radio Engineering and Electronics (Russia)
Andrey V. Uvarov, Institute of Radio Engineering and Electronics (Russia)
Aleksey S. Il'in, Institute of Radio Engineering and Electronics (Russia)
Vladimir N. Trofimov, Joint Institute for Nuclear Research (Russia)
Alexander N. Chernikov, Joint Institute for Nuclear Research (Russia)
Vyacheslav F. Vdovin, Institute of Applied Physics (Russia)
Vladimir G. Perminov, Institute of Applied Physics (Russia)
Oleg S. Bol'shakov, Institute of Applied Physics (Russia)
Marat G. Mingaliev, Special Astrophysical Observatory (Russia)
Gregory V. Yakopov, Special Astrophysical Observatory (Russia)


Published in SPIE Proceedings Vol. 7020:
Millimeter and Submillimeter Detectors and Instrumentation for Astronomy IV
William D. Duncan; Wayne S. Holland; Stafford Withington; Jonas Zmuidzinas, Editor(s)

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