Credit: Chris Smith/SLAC National Accelerator Laboratory
The interior of the east portion of the Beam Switch Yard (BSY) showing three "tracks" that electrons accelerated in SLAC's linear accelerator can be directed into. All of the beams for LCLS and LCLS-II are sent through the central tunnel. In early 2017, as part of the LCLS-II project, the steel Muon Shield was reconfigured to permit installation of a new beamline that will transport beams to a new Soft X-Ray Undulator.