Freiburg 2008 – scientific programme

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T: Fachverband Teilchenphysik

T 70: Beschleunigerphysik II

T 70.8: Talk

Thursday, March 6, 2008, 18:30–18:45, KGI-HS 1019

Phase space tomography diagnostics at the PITZ facility — •Galina Asova for the PITZ collaboration — DESY, Zeuthen 15738, Germany

The major objective of the Photo Injector Test Facility at DESY in Zeuthen (PITZ) is the development and optimisation of high brightness electron sources suitable for SASE FEL operation. This requires full characterization of the sources. Knowledge of the transverse phase-space density distribution can be obtained using tomographic reconstruction techniques. Therefore the PITZ beam line will be equipped with a tomography section in 2008.

The module consists of a lattice of four observation screens with three FODO cells in between them. A number of upstream quadrupoles is used to match the electron beam to the optics of the lattice. It should be capable of operation in a range of beam momenta between 15 and 40 MeV/c. The low energies together with the high current imply difficulties in its manipulation.

This work presents some major aspects concerning the design of the setup. The expected performance is studied and verified with data from numerical simulations.