Institut de recherche sur les lois fondamentales de l'Univers

The Linac Coherent Light Source-II (LCLS-II) project is a new light source to be built at SLAC [1].  At its core is a 4 GeV CW electron linac based on superconducting RF technology.  Several U.S. laboratories have joined together to design and build this state-of-the art linac on a very rapid timescale, with first light planned for 2019.  Fermilab has assumed responsibility for the cryomodule design and for fabrication of about half of the 37 cryomodules.  The cryomodule design is heavily based on the XFEL/TESLA concept, with modifications and technical developments for CW operation.   The status of the LCLS-II cryomodule design and the cryomodule production plan at Fermilab are presented.

[1] J. Galayda, Proc. IPAC2014, TUOCA01.