Planck LFI flight model feed horns

Details Planck LFI flight model feed horns Planck LFI flight model feed horns

2010-01-26

arxiv.org/abs/1001.4633v1

Journal of Instrumentation, Volume 4, Issue 12, pp. T12004 (2009)

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

This is an author-created, un-copyedited version of an article accepted for publication in JINST. IOP Publishing Ltd is not re

Scientific paper

10.1088/1748-0221/4/12/T12004

this paper is part of the Prelaunch status LFI papers published on JINST: http://www.iop.org/EJ/journal/-page=extra.proc5/jinst The Low Frequency Instrument is optically interfaced with the ESA Planck telescope through 11 corrugated feed horns each connected to the Radiometer Chain Assembly (RCA). This paper describes the design, the manufacturing and the testing of the flight model feed horns. They have been designed to optimize the LFI optical interfaces taking into account the tight mechanical requirements imposed by the Planck focal plane layout. All the eleven units have been successfully tested and integrated with the Ortho Mode transducers.

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