Schedule

BRAIN Pathfinder

  • Site testing, logistics
  • Atmosphere characterization at Dome C
    (effective temperature, polarization ...)
  • 3 campaigns, January 2006, 2007, 2011

MBI-4 Prototype

  • 4 horns bolometric interferometer
  • Worked in Wisconsin (2008 and 2009)
  • Fringes observed !

QUBIC

  • Search for primordial B-modes (50 < l < 150)
  • 20x20 horns/switches
  • 2048 TES in 2 focal planes (150 and 220 GHz)
  • 25% Bandwidth
  • technical demonstrator in lab 2018 (only 8x8 horns, 256 TES)
  • Observation site: Alto Chorillos (Argentina)
  • Target : r ~ 0.01 in 2 years of data