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MASTER: A Triple Heterodyne Receiver for Astronomy in the Millimetre and Submillimetre Domain

Published online by Cambridge University Press:  05 March 2013

E. Battistelli ,
M. Zannoni ,
G. Boella ,
M. Gervasi ,
A. Passerini ,
G. Sironi ,
D. Andreone ,
L. Brunetti ,
V. Lacquaniti  and
S. Maggi
...Show all authors
E. Battistelli
Affiliation:
Università degli Studi di Milano-Bicocca, p.zza della Scienza 3, 20126, Milano, Italy
M. Zannoni
Affiliation:
Università degli Studi di Milano-Bicocca, p.zza della Scienza 3, 20126, Milano, Italy
G. Boella
Affiliation:
Università degli Studi di Milano-Bicocca, p.zza della Scienza 3, 20126, Milano, Italy
M. Gervasi
Affiliation:
Università degli Studi di Milano-Bicocca, p.zza della Scienza 3, 20126, Milano, Italy
A. Passerini
Affiliation:
Università degli Studi di Milano-Bicocca, p.zza della Scienza 3, 20126, Milano, Italy
G. Sironi
Affiliation:
Università degli Studi di Milano-Bicocca, p.zza della Scienza 3, 20126, Milano, Italy
D. Andreone
Affiliation:
Istituto Elettrotecnico Nazionale Galileo Ferraris, Strada delle Cacce 91, 10135, Torino, Italy
L. Brunetti
Affiliation:
Istituto Elettrotecnico Nazionale Galileo Ferraris, Strada delle Cacce 91, 10135, Torino, Italy
V. Lacquaniti
Affiliation:
Istituto Elettrotecnico Nazionale Galileo Ferraris, Strada delle Cacce 91, 10135, Torino, Italy
S. Maggi
Affiliation:
Istituto Elettrotecnico Nazionale Galileo Ferraris, Strada delle Cacce 91, 10135, Torino, Italy
R. Steni
Affiliation:
Istituto Elettrotecnico Nazionale Galileo Ferraris, Strada delle Cacce 91, 10135, Torino, Italy
E. Natale
Affiliation:
Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, 50125, Firenze, Italy
J. R. Thorpe
Affiliation:
Department of Electronic and Electrical Engineering University of Leeds, LS2 9JT, Leeds, UK
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Abstract

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A progress report of the MASTER project is presented here. MASTER is a system of three heterodyne receivers based on SIS (superconductor–insulator–superconductor) tunnel junction mixers. In our instrument these mixers will allow direct down-conversion from 94, 225, and 345 to 1.5 GHz, the IF where the signal will be detected. This instrument, coupled to a 2–4 m telescope like the one proposed for the DOME C base in Antarctica and in conjunction with an Acusto Optical Spectrometer, can be used to detect emission lines associated with molecular clouds in the interstellar medium. The current status of a 94 GHz receiver, the prototype of MASTER, will be presented too. The study of the optical coupling between the receiver and MITO telescope in the Italian Alps will also be described.

Keywords

instrumentation: detectorsISM: lines and bandscosmology: cosmic microwave backgroundsubmillimetre
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 19 , Issue 3 , 2002 , pp. 323 - 327
Copyright
Copyright © Astronomical Society of Australia 2002

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