8 October 2004 The South Pole Telescope
Author Affiliations +
A new 10 meter diameter telescope is being constructed for deployment at the NSF South Pole research station. The telescope is designed for conducting large-area millimeter and sub-millimeter wave surveys of faint, low contrast emission, as required to map primary and secondary anisotropies in the cosmic microwave background. To achieve the required sensitivity and resolution, the telescope design employs an off-axis primary with a 10 meter diameter clear aperture. The full aperture and the associated optics will have a combined surface accuracy of better than 20 microns rms to allow precision operation in the submillimeter atmospheric windows. The telescope will be surrounded with a large reflecting ground screen to reduce sensitivity to thermal emission from the ground and local interference. The optics of the telescope will support a degree field of view at 2mm wavelength and will feed a new 1000-element micro-lithographed planar bolometric array with superconducting transition-edge sensors and frequency-multiplexed readouts. The first key project will be to conduct a survey over &dbigwig;4000 degrees for galaxy clusters using the Sunyaev-Zel'dovich Effect. This survey should find many thousands of clusters with a mass selection criteria that is remarkably uniform with redshift. Armed with redshifts obtained from optical and infrared follow-up observations, it is expected that the survey will enable significant constraints to be placed on the equation of state of the dark energy.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John Ruhl, John Ruhl, Peter A. R. Ade, Peter A. R. Ade, John E. Carlstrom, John E. Carlstrom, Hsiao-Mei Cho, Hsiao-Mei Cho, Thomas Crawford, Thomas Crawford, Matt Dobbs, Matt Dobbs, Chris H. Greer, Chris H. Greer, Nils w. Halverson, Nils w. Halverson, William L. Holzapfel, William L. Holzapfel, Trevor M. Lanting, Trevor M. Lanting, Adrian T. Lee, Adrian T. Lee, Erik M. Leitch, Erik M. Leitch, Jon Leong, Jon Leong, Wenyang Lu, Wenyang Lu, Martin Lueker, Martin Lueker, Jared Mehl, Jared Mehl, Stephan S. Meyer, Stephan S. Meyer, Joe J. Mohr, Joe J. Mohr, Steve Padin, Steve Padin, T. Plagge, T. Plagge, Clem Pryke, Clem Pryke, Marcus C. Runyan, Marcus C. Runyan, Dan Schwan, Dan Schwan, M. K. Sharp, M. K. Sharp, Helmuth Spieler, Helmuth Spieler, Zak Staniszewski, Zak Staniszewski, Antony A. Stark, Antony A. Stark, } "The South Pole Telescope", Proc. SPIE 5498, Millimeter and Submillimeter Detectors for Astronomy II, (8 October 2004); doi: 10.1117/12.552473; https://doi.org/10.1117/12.552473


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