BICEP Array cryostat and mount design
  Bicep Array is a cosmic microwave background (CMB) polarization experiment
that will begin observing at the South Pole in early 2019. This experiment
replaces the five Bicep2 style receivers that compose the Keck Array with four
larger Bicep3 style receivers observing at six frequencies from 30 to 270GHz.
The 95GHz and 150GHz receivers will continue to push the already deep
Bicep/Keck CMB maps while the 30/40GHz and 220/270GHz receivers will constrain
the synchrotron and galactic dust foregrounds respectively. Here we report on
the design and performance of the Bicep Array instruments focusing on the mount
and cryostat systems.
