"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki ISSN 1684-1719, N 1, 2018

contents of issue     DOI  10.30898/1684-1719-2018-1-3        full text in Russian (pdf)   

Distributed arrays of cryogenic bolometers with integrating cavity beam matching


M.A. Tarasov 1,2,3, S. Mahashabde2, A.A. Gunbina4,6, M.Yu. Fominskii1, R.A. Yusupov1,5, A.B. Ermakov1, À.Ì. Chekushkin1,5, A.S. Sobolev1,5, V.S. Edelman3, M.A. Mansfeld6, V.F. Vdovin4,6,7

1 Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences, Mokhovaya str. 11-7, Moscow 125009, Russia

2 Chalmers University of Technology, SE-41296 Gothenburg, Sweden

3 P.Kapitza Institute for Physical Problems of RAS, Kosygina str. 2, Moscow 117334, Russia

4 R.E.Alekseev Nizhny Novgorod State Technical University, Minin str. 24, Nizhny Novgorod 603950, Russia

5 Moscow Institute of Physics and Technology (State University), Dolgoprudnyy, Institutskii lane 9, Dolgoprudnyy, Moscow region 141701, Russia

6Institute of Applied Physics of Russian Academy of Sciences (IAP RAS),  Ulyanova, 46, Nizhny Novgorod 603950, Russia

7Astro Space Center of PN Lebedev Physics Institute (ASC LPI), Profsoyuznaya, 84/32, Moscow 117997, Russia


The paper is received on January 15, 2018


 Abstract. Series and parallel arrays of ring antennas with bolometers of superconductor-insulator-normal metal-insulator-superconductor (SINIS) structures are designed, manufactured and experimentally studied. The samples are matched to the external radiation in the range of 250-380 GHz by an input conical horn, a circular waveguide with a diameter of 0.9 mm and an integrating cavity in the form of a conical horn with a counter-reflector (backshort). Spectral characteristics of such devices are numerically modelled and measured using Backward Wave Oscillator radiation source. The use of an antireflection coating on a silicon substrate improves the sensitivity and uniformity of the spectral response. The measurements were carried out in a dilution cryostat at temperatures in the range of 80-350 mK. For a series array of 25 antennas with bolometers, the voltage responsivity to blackbody radiation approaches 3·109 V/W; the linear response observed for the input power up to 5 pW. Current responsivity for a matrix of 25 parallel antennas with bolometers is 2·104 A / W.  Noise equivalent power in both cases was in the range of (3…5) ·10-17 W/Hz1/2

Keywords: NIS junction, cryogenic bolometer, integrating sphere, annular antenna, antenna array, distributed absorber, MM and SubMM waves, cryogenic receivers for radio astronomy.


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For citation:
M.A. Tarasov, S. Mahashabde, A.A. Gunbina, M.Yu. Fominskii, R.A. Yusupov, A.B. Ermakov,
À.Ì. Chekushkin, A.S. Sobolev, V.S. Edelman, M.A. Mansfeld, V.F. Vdovin. Distributed arrays of cryogenic bolometers with integrating cavity beam matching. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2018. No. 1. Available at http://jre.cplire.ru/jre/jan18/5/text.pdf.

DOI  10.30898/1684-1719-2018-1-3