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|Abstract:||We present the design and the preliminary on-sky performance with respect to beams and passbands of a multichroic polarimeter array covering the 90 and 146 GHz cosmic microwave background bands and its enabling broad-band optical system recently deployed on the Atacama Cosmology Telescope (ACT). The constituent pixels are feedhorn-coupled multichroic polarimeters fabricated at NIST. This array is coupled to the ACT telescope via a set of three silicon lenses incorporating novel broad-band metamaterial anti-reflection coatings. This receiver represents the first multichroic detector array deployed for a CMB experiment and paves the way for the extensive use of multichroic detectors and broad-band optical systems in the next generation of CMB experiments.|
|Electronic Publication Date:||10-Mar-2016|
|Citation:||Datta, R, Austermann, J, Beall, JA, Becker, D, Coughlin, KP, Duff, SM, Gallardo, PA, Grace, E, Hasselfield, M, Henderson, SW, Hilton, GC, Ho, SP, Hubmayr, J, Koopman, BJ, Lanen, JV, Li, D, McMahon, J, Munson, CD, Nati, F, Niemack, MD, Page, L, Pappas, CG, Salatino, M, Schmitt, BL, Schillaci, A, Simon, SM, Staggs, ST, Stevens, JR, Vavagiakis, EM, Ward, JT, Wollack, EJ. (2016). Design and Deployment of a Multichroic Polarimeter Array on the Atacama Cosmology Telescope. JOURNAL OF LOW TEMPERATURE PHYSICS, 184 (568 - 575. doi:10.1007/s10909-016-1553-5|
|Pages:||568 - 575|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||JOURNAL OF LOW TEMPERATURE PHYSICS|
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