An Enhanced GINGERSimulation Code with Harmonic Emission and HDF5IO Capabilities

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GINGER [1] is an axisymmetric, polychromatic (r-z-t) FEL simulation code originally developed in the mid-1980's to model the performance of single-pass amplifiers. Over the past 15 years GINGER's capabilities have been extended to include more complicated configurations such as undulators with drift spaces, dispersive sections, and vacuum chamber wakefield effects; multi-pass oscillators; and multi-stage harmonic cascades. Its coding base has been tuned to permit running effectively on platforms ranging from desktop PC's to massively parallel processors such as the IBM-SP. Recently, we have made significant changes to GINGER by replacing the original predictor-corrector field solver with a new direct implicit ... continued below

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Fawley, William M. September 1, 2006.

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Description

GINGER [1] is an axisymmetric, polychromatic (r-z-t) FEL simulation code originally developed in the mid-1980's to model the performance of single-pass amplifiers. Over the past 15 years GINGER's capabilities have been extended to include more complicated configurations such as undulators with drift spaces, dispersive sections, and vacuum chamber wakefield effects; multi-pass oscillators; and multi-stage harmonic cascades. Its coding base has been tuned to permit running effectively on platforms ranging from desktop PC's to massively parallel processors such as the IBM-SP. Recently, we have made significant changes to GINGER by replacing the original predictor-corrector field solver with a new direct implicit algorithm, adding harmonic emission capability, and switching to the HDF5 IO library [2] for output diagnostics. In this paper, we discuss some details regarding these changes and also present simulation results for LCLS SASE emission at {lambda} = 0.15 nm and higher harmonics.

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  • 28th International Free-Electron LaserConference, Berlin, GERMANY, 27 August - 1 September2006

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  • Report No.: LBNL--60155
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 898954
  • Archival Resource Key: ark:/67531/metadc886003

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  • September 1, 2006

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  • Sept. 22, 2016, 2:13 a.m.

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  • Sept. 29, 2016, 8:24 p.m.

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Fawley, William M. An Enhanced GINGERSimulation Code with Harmonic Emission and HDF5IO Capabilities, article, September 1, 2006; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc886003/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.