Exploring cosmic origins with CORE : The instrument

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http://hdl.handle.net/10138/327081

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CORE Collaboration , de Bernardis , P , Kiiveri , K , Kurki-Suonio , H , Lindholm , V & Väliviita , J 2018 , ' Exploring cosmic origins with CORE : The instrument ' , Journal of Cosmology and Astroparticle Physics , no. 4 , 015 . https://doi.org/10.1088/1475-7516/2018/04/015

Title: Exploring cosmic origins with CORE : The instrument
Author: CORE Collaboration; de Bernardis, P.; Kiiveri, K.; Kurki-Suonio, H.; Lindholm, V.; Väliviita, J.
Contributor: University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Department of Physics
University of Helsinki, Helsinki Institute of Physics
University of Helsinki, Department of Physics
Date: 2018-04
Language: eng
Number of pages: 46
Belongs to series: Journal of Cosmology and Astroparticle Physics
ISSN: 1475-7516
URI: http://hdl.handle.net/10138/327081
Abstract: We describe a space-borne, multi-band, multi-beam polarimeter aiming at a precise and accurate measurement of the polarization of the Cosmic Microwave Background. The instrument is optimized to be compatible with the strict budget requirements of a medium size space mission within the Cosmic Vision Programme of the European Space Agency. The instrument has no moving parts, and uses arrays of diffraction-limited Kinetic Inductance Detectors to cover the frequency range from 60 GHz to 600 GHz in 19 wide bands, in the focal plane of a 1.2 m aperture telescope cooled at 40K, allowing for an accurate extraction of the CMB signal from polarized foreground emission. The projected CMB polarization survey sensitivity of this instrument, after foregrounds removal, is 1.7 mu K.arcmin. The design is robust enough to allow, if needed, a downscoped version of the instrument covering the 100 GHz to 600 GHz range with a 0.8 m aperture telescope cooled at 85K, with a projected CMB polarization survey sensitivity of 3.2 mu K.arcmin.
Subject: CMBR detectors
CMBR experiments
CMBR polarisation
inflation
KINETIC INDUCTANCE DETECTORS
PRESCRIBED GEOMETRIC PARAMETERS
DUAL-REFLECTOR ANTENNAS
PRE-LAUNCH STATUS
PLANCK
BAND
PERFORMANCE
COMBINATIONS
WAVELENGTHS
CALIBRATION
115 Astronomy, Space science
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