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Design and Deployment of a Multichroic Polarimeter Array on the Atacama Cosmology Telescope
R. Datta, J. Austermann, J. A. Beall +28
We present the design and the preliminary on sky performance with respect to beams and pass-bands of a multichroic polarimeter array covering the 90 and 146 GHz Cosmic Microwave Ba…
Advanced ACTPol Cryogenic Detector Arrays and Readout
S. W. Henderson, R. Allison, J. Austermann +54
Advanced ACTPol is a polarization-sensitive upgrade for the 6 m aperture Atacama Cosmology Telescope (ACT), adding new frequencies and increasing sensitivity over the previous ACTP…
Hotspot Relaxation Dynamics in a Current Carrying Superconductor
F. Marsili, M. J. Stevens, A. Kozorezov +11
We experimentally studied the dynamics of optically excited hotspots in current carrying WSi superconducting nanowires as a function of bias current, bath temperature and excitatio…