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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 3 CONTRIBUTI IN ATTI DI CONVEGNO (Proceedings)
  4. 3.01 Contributi in Atti di convegno
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/24515
Title: An ultra-broadband optical system for ALMA Band 2+3
Authors: Tapia, V.
NESTI, Renzo 
González, A.
Barrueto, I.
Mena, F. P.
Reyes, N.
VILLA, FABRIZIO 
CUTTAIA, FRANCESCO 
Yagoubov, P.
Issue Date: 2016
Volume: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII
Editors: Holland, Wayne S.; Zmuidzinas, Jonas
Series: PROCEEDINGS OF SPIE 
Number: 9914
First Page: 99142X
Abstract: ALMA is the largest radio astronomical facility in the world providing high sensitivity between 35 and 950 GHz, divided in 10 bands with fractional bandwidths between 19 and 36%. Having a lifespan of at least 30 years, ALMA carries out a permanent upgrading plan which, for the receivers, is focused on achieving better sensitivity and larger bandwidths. As result, an international consortium works on demonstrating a prototype receiver covering currents Bands 2 and 3 (67 to 116 GHz) which corresponds to a fractional bandwidth of 54%. Here we present the preliminary design, implementation and characterization of suitable refractive optics. Results indicate an excellent performance in good agreement with simulations.
Conference Name: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII
Conference Place: Edinburgh, UK
Conference Date: 26 June-1 July, 2016
URI: http://hdl.handle.net/20.500.12386/24515
URL: http://dx.doi.org/10.1117/12.2233143
ISSN: 0277-786X
ISBN: 9781510602076
DOI: 10.1117/12.2233143
Bibcode ADS: 2016SPIE.9914E..2XT
Fulltext: open
Appears in Collections:3.01 Contributi in Atti di convegno

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