Design of Super-Resolving Toraldo Pupils for Radio Astronomical Applications
Date Issued
2017
Author(s)
•
•
•
•
•
•
•
Mugnai, Daniela
•
•
Natale, Enzo
Abstract
More than half a century ago, in 1952, Giuliano Toraldo di Francia suggested that the resolving power of an optical instrument could be improved using a filter consisting of finite-width concentric coronae of different amplitude and phase transmittance, now known as Toraldo Pupils (TPs). The concept of “super-resolution” was born, and in the cur- rent literature it is generally associated with various meth- ods for improving the angular resolution of an optical imag- ing system beyond the classical diffraction limit. In the mi- crowave range, the first successful laboratory test of TPs was performed in 2003. These first results suggested that TPs could represent a viable approach to achieve super- resolution in Radio Astronomy. We have therefore started a project devoted to an exhaustive study of TPs and how they could be implemented on a radio telescope. In this work we present a summary of the status of this project, and then we describe a preliminary design to implement a TP system on a 32-m radio telescope.
Coverage
Proceedings of the XXXIInd URSI General Assembly and Scientific Symposium (URSI GASS 2017)
Conferenece
XXXIInd URSI General Assembly and Scientific Symposium (URSI GASS 2017)
Conferenece place
Montreal, Canada
Conferenece date
19–26 August, 2017
Rights
open.access
File(s)![Thumbnail Image]()
Loading...
Name
OLMI_URSI2017_Editorial.pdf
Description
postprint
Size
463.16 KB
Format
Adobe PDF
Checksum (MD5)
5a4b766b500d570a819d9f748ce2ffe8