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http://hdl.handle.net/20.500.12386/24403| Title: | ALMA band 2+3 (67-116 GHz) optics: Design and first measurements | Authors: | Gonzalez, A. Tapia, V. Reyes, N. Mena, F. P. NESTI, Renzo VILLA, FABRIZIO CUTTAIA, FRANCESCO DE ROSA, ADRIANO GIUSEPPE DI GIORGIO, Anna Maria MORBIDINI, Alfredo Yagoubov, Pavel |
Issue Date: | 2016 | Volume: | IEEE International Symposium on Antennas and Propagation 2016 | First Page: | 1195 | Abstract: | The ALMA telescope is one of the largest on-ground astronomical projects in the world. It has been producing great scientific results since the beginning of operations in 2011. Of all the originally planned bands, band 2 (67-90 GHz) is the last band to be implemented into the array. Recent technological progress has open the possibility to combine bands 2 and 3 (84-116 GHz) into a single wideband receiver. This paper describes the first efforts to design wideband optics which cover both bands, from 67 to 116 GHz, using a profiled corrugated horn and a modified Fresnel lens. First measurements were performed at ESO in Dec15-Jan16 and showed good agreement with simulations. | Conference Name: | 2016 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting | Conference Place: | Fajardo, Puerto Rico | Conference Date: | June 26 - July 1, 2016 | URI: | http://hdl.handle.net/20.500.12386/24403 | URL: | https://doi.org/10.1109/APS.2016.7696305 | ISBN: | 978-1-5090-2886-3 | DOI: | 10.1109/APS.2016.7696305 | Bibcode ADS: | 2016isap.conf.1195G | Fulltext: | open |
| Appears in Collections: | 3.01 Contributi in Atti di convegno |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| ALMA band2+3 optics_Gonzalez_v2.pdf | Accessibile Open Access | 381.04 kB | Adobe PDF | View/Open |
| 07696305.pdf | [Administrators only] | 376.95 kB | Adobe PDF |
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