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Advanced ACTPol Cryogenic Detector Arrays and Readout

Henderson, S.W. ; Allison, R. ; Austermann, J. ; Baildon, T. ; Battaglia, N. ; Beall, J. A. ; Becker, D. ; De Bernardis, F. ; Bond, J. R. ; Wollack, E. J.

Journal of low temperature physics, 2016-08, Vol.184 (3-4), p.772-779 [Periódico revisado por pares]

Goddard Space Flight Center: Springer

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  • Título:
    Advanced ACTPol Cryogenic Detector Arrays and Readout
  • Autor: Henderson, S.W. ; Allison, R. ; Austermann, J. ; Baildon, T. ; Battaglia, N. ; Beall, J. A. ; Becker, D. ; De Bernardis, F. ; Bond, J. R. ; Wollack, E. J.
  • Assuntos: Astrophysics ; Characterization and Evaluation of Materials ; Condensed Matter Physics ; Magnetic Materials ; Magnetism ; Physics ; Physics and Astronomy
  • É parte de: Journal of low temperature physics, 2016-08, Vol.184 (3-4), p.772-779
  • Notas: GSFC
    Goddard Space Flight Center
    GSFC-E-DAA-TN32121
  • Descrição: Advanced ACTPol is a polarization-sensitive upgrade for the 6 m aperture Atacama Cosmology Telescope, adding new frequencies and increasing sensitivity over the previous ACTPol receiver. In 2016, Advanced ACTPol will begin to map approximately half the sky in five frequency bands (28-230 GHz). Its maps of primary and secondary cosmic microwave background anisotropies-imaged in intensity and polarization at few arcminute-scale resolution-will enable precision cosmological constraints and also awide array of cross-correlation science that probes the expansion history of the universe and the growth of structure via gravitational collapse. To accomplish these scientific goals, the AdvancedACTPol receiver will be a significant upgrade to the ACTPol receiver, including four new multichroic arrays of cryogenic, feedhorn-coupled AlMn transition edge sensor polarimeters (fabricated on 150 mm diameter wafers); a system of continuously rotating meta-material silicon half-wave plates; and a new multiplexing readout architecture which uses superconducting quantum interference devices and time division to achieve a 64-row multiplexing factor. Here we present the status and scientific goals of the Advanced ACTPol instrument, emphasizing the design and implementation of the AdvancedACTPol cryogenic detector arrays.
  • Editor: Goddard Space Flight Center: Springer
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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