The Cosmology Large Angular Scale Surveyor (CLASS): 38 GHz detector array of bolometric polarimeters
John W. Appel, Aamir Ali, Mandana Amiri, Derek Araujo, Charles L., Bennett, Fletcher Boone, Manwei Chan, Hsiao-Mei Cho, David T. Chuss, Felipe, Colazo, Erik Crowe, Kevin Denis, Rolando Dunner, Joseph Eimer, Thomas, Essinger-Hileman, Dominik Gothe, Mark Halpern
TL;DR
The paper presents the design, construction, and characterization of the first Q-band bolometric polarimeter array for the CLASS experiment, which aims to map large-scale CMB polarization from the Atacama Desert.
Contribution
It introduces the first Q-band bolometric polarimeter array for the CLASS experiment, enabling large-scale CMB polarization measurements at 38 GHz.
Findings
Successful design and characterization of the 38 GHz detector array.
First implementation of a Q-band bolometric polarimeter array.
Enhanced capability for large-scale CMB polarization mapping.
Abstract
The Cosmology Large Angular Scale Surveyor (CLASS) experiment aims to map the polarization of the Cosmic Microwave Background (CMB) at angular scales larger than a few degrees. Operating from Cerro Toco in the Atacama Desert of Chile, it will observe over 65% of the sky at 38, 93, 148, and 217 GHz. In this paper we discuss the design, construction, and characterization of the CLASS 38 GHz detector focal plane, the first ever Q-band bolometric polarimeter array.
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