The Beam Halo Monitor for FLASH.

The Beam Halo Monitor (BHM) for FLASH (FreeElectron LASer in Hamburg) based on pCVD diamond and monocrystalline sapphire sensors has been successfully commissioned and is in operation. It is a part of the beam dump diagnostics system purposed to ensure safe beam dumping. The description of the BHM is given and the results on the performance obtained during its operation are reported in this paper.

[1]  Josef Feldhaus,et al.  FEL User Facility FLASH , 2010 .

[2]  W. Lange,et al.  Polycrystalline CVD Diamonds for the Beam Calorimeter of the ILC , 2006, IEEE Transactions on Nuclear Science.