A Kilopixel Array of TES Bolometers for ACT: Development, Testing, and First Light

Details A Kilopixel Array of TES Bolometers for ACT: Development, Testing, and First Light A Kilopixel Array of TES Bolometers for ACT: Development, Testing, and First Light

May 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jltp..151..690n&link_type=abstract

Journal of Low Temperature Physics, Volume 151, Issue 3-4, pp. 690-696

Physics

11

Scientific paper

The Millimeter Bolometer Array Camera (MBAC) will be installed on the 6-meter Atacama Cosmology Telescope (ACT) in late 2007. For the first season of observations, MBAC will comprise a 145 GHz diffraction-limited, 1024-pixel, focal plane array of Transition Edge Sensor (TES) Bolometers. This will be the largest array of pop-up-detector bolometers ever fielded as well as one of the largest arrays of TES bolometers. We discuss the design specifications for the array and pre-assembly testing procedures for the cryogenic components. We present dark measurements of the TES bolometer properties of numerous 32-pixel columns that have been assembled into the first kilopixel array for ACT, as well as optical measurements made with our 256-pixel prototype array, including first light measurements on ACT.

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