Samenvatting
The Atacama Millimeter/Sub-millimeter Array (ALMA) is one of the most powerful telescopes built to date. All the receivers that cover the 10 frequency bands (35-950 GHz) in ALMA must comply with stringent requirements in order to perform astronomical observations, in particular, low noise temperature and high aperture efficiency. The ALMA band 1 receiver optics (35-52 GHz) are composed of a corrugated horn antenna and a dielectric lens. They have proved difficult to design because of the large bandwidth to cover and truncation effects in cryostat apertures. This paper presents a design which meets the stringent ALMA requirements.
| Originele taal-2 | Engels |
|---|---|
| Titel | 2015 9th European Conference on Antennas and Propagation, EuCAP 2015 |
| Plaats van productie | Piscataway |
| Uitgeverij | Institute of Electrical and Electronics Engineers |
| Aantal pagina's | 4 |
| ISBN van elektronische versie | 978-8-8907-0185-6 |
| Status | Gepubliceerd - 27 aug. 2015 |
| Extern gepubliceerd | Ja |
| Evenement | 9th European Conference on Antennas and Propagation (EuCAP 2015) - Lisbon, Portugal Duur: 13 mei 2015 → 17 mei 2015 Congresnummer: 9 http://www.eucap2015.org/ |
Congres
| Congres | 9th European Conference on Antennas and Propagation (EuCAP 2015) |
|---|---|
| Verkorte titel | EuCAP 2015 |
| Land/Regio | Portugal |
| Stad | Lisbon |
| Periode | 13/05/15 → 17/05/15 |
| Ander | 9th European Conference on Antennas and Propagation |
| Internet adres |
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