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|Abstract:||Advanced ACTPol (AdvACT) is an upgraded camera for the Atacama Cosmology Telescope (ACT) that will measure the cosmic microwave background in temperature and polarization over a wide range of angular scales and five frequency bands from 28-230 GHz. AdvACT will employ four arrays of feedhorn-coupled, polarization sensitive multichroic detectors. To accommodate the higher pixel packing densities necessary to achieve AdvACT’s sensitivity goals, we have developed and optimized wideband spline-profiled feedhorns for the AdvACT multichroic arrays that maximize coupling efficiency while carefully controlling polarization systematics. We present the design, fabrication, and testing of wideband spline-profiled feedhorns for the multichroic arrays of AdvACT.|
|Electronic Publication Date:||2016|
|Citation:||Simon, Sara M, Austermann, Jason, Beall, James A, Choi, Steve K, Coughlin, Kevin P, Duff, Shannon M, Gallardo, Patricio A, Henderson, Shawn W, Hills, Felicity B, Ho, Shuay-Pwu Patty, Hubmayr, Johannes, Josaitis, Alec, Koopman, Brian J, McMahon, Jeff J, Nati, Federico, Newburgh, Laura, Niemack, Michael D, Salatino, Maria, Schillaci, Alessandro, Schmitt, Benjamin L, Staggs, Suzanne T, Vavagiakis, Eve M, Ward, Jonathan, Wollack, Edward J. (2016). The design and characterization of wideband spline-profiled feedhorns for Advanced ACTPol. MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY VIII, 9914 (10.1117/12.2233603|
|Type of Material:||Conference Article|
|Journal/Proceeding Title:||MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY VIII|
|Version:||Final published version. Article is made available in OAR by the publisher's permission or policy.|
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