IPAC'10 - List of Authors (Kraus, C.)

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Kraus, C.

Paper	Title	Page
TUPEC055	Computation of Electromagnetic Modes in the Transverse Deflecting Cavity	1847
	H. Guo PSI-LRF, Villigen, PSI A. Adelmann, A. Falone, C. Kraus, B.S.C. Oswald PSI, Villigen P. Arbenz ETH, Zurich
	The X-ray Free Electron Laser (SwissFEL) under development at the Paul Scherrer Institut (PSI) will employ a special type of a deflecting cavity, LOLA, for beam diagnostics. Since this cavity's design breaks the symmetry, a complete 3-dimensional eigenmodal analysis is indispensable. The 3-dimensional eigenmodal solver femaxx employs the finite element method and has been developed in a collaboration between PSI and the Swiss Federal Institute of Technology Zurich (ETH). The femaxx code uses the graphical frontend program heronion for the application of boundary conditions, including symmetry, and generates a tetrahedral mesh. We use femaxx to analyze the existing LOLA cavity design, compute electromagnetic eigenmodes with their corresponding eigenfrequencies, and associated performance figures. Since these are large computational problems femaxx has been optimized for distributed memory parallel compute clusters. For the further usage in the beam dynamics code OPAL we sample the eigenmodal fields on a 3-dimensional Cartesian grid. A. Falone, et al: RF deflector for bunch length measurement at low energy at PSI. Proceedings of PAC2009. ** P. Arbenz et al., Parallel Computing, 32: 157-165 (2006).

Paper

Title

Page

TUPEC055

Computation of Electromagnetic Modes in the Transverse Deflecting Cavity

1847

H. Guo
PSI-LRF, Villigen, PSI
A. Adelmann, A. Falone, C. Kraus, B.S.C. Oswald
PSI, Villigen
P. Arbenz
ETH, Zurich

The X-ray Free Electron Laser (SwissFEL) under development at the Paul Scherrer Institut (PSI) will employ a special type of a deflecting cavity, LOLA*, for beam diagnostics. Since this cavity's design breaks the symmetry, a complete 3-dimensional eigenmodal analysis is indispensable. The 3-dimensional eigenmodal solver femaxx employs the finite element method and has been developed in a collaboration between PSI and the Swiss Federal Institute of Technology Zurich (ETH). The femaxx code uses the graphical frontend program heronion for the application of boundary conditions, including symmetry, and generates a tetrahedral mesh. We use femaxx to analyze the existing LOLA cavity design**, compute electromagnetic eigenmodes with their corresponding eigenfrequencies, and associated performance figures. Since these are large computational problems femaxx has been optimized for distributed memory parallel compute clusters. For the further usage in the beam dynamics code OPAL we sample the eigenmodal fields on a 3-dimensional Cartesian grid.

* A. Falone, et al: RF deflector for bunch length measurement at low energy at PSI. Proceedings of PAC2009.
** P. Arbenz et al., Parallel Computing, 32: 157-165 (2006).