Particle-in-cell simulations of lower-density CM-scale capillary channels

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Capillary channels of cm-length and at plasma density low compared to gas jets are promising setups for low noise laser wakefield acceleration. Computationally, however, the large discrepancy of the length scales of the plasma and the laser are a big challenge. Methods are therefore sought that relax the need to concurrently resolve both length scales. Average methods, which split the electromagnetic field into a fast and a slowly varying part, allow to relax the constraint to resolve the laser wavelength. Such an envelope model is currently being incorporated into the VORPAL plasma simulation code. Simulation results for benchmark cases and ... continued below

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Messmer, P.; Bruhwiler, D.; Dimitrov, D.; Stoltz, P.; Leemans, W.P.; Esarey, E. et al. May 1, 2005.

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Capillary channels of cm-length and at plasma density low compared to gas jets are promising setups for low noise laser wakefield acceleration. Computationally, however, the large discrepancy of the length scales of the plasma and the laser are a big challenge. Methods are therefore sought that relax the need to concurrently resolve both length scales. Average methods, which split the electromagnetic field into a fast and a slowly varying part, allow to relax the constraint to resolve the laser wavelength. Such an envelope model is currently being incorporated into the VORPAL plasma simulation code. Simulation results for benchmark cases and for laser pulse propagation in a cm-scale channel are presented.

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  • 2005 Particle Accelerator Conference, Knoxville, TN, May 16 - 20, 2005

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  • Report No.: LBNL--58374
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 843148
  • Archival Resource Key: ark:/67531/metadc781324

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  • May 1, 2005

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 4, 2016, 3:32 p.m.

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Messmer, P.; Bruhwiler, D.; Dimitrov, D.; Stoltz, P.; Leemans, W.P.; Esarey, E. et al. Particle-in-cell simulations of lower-density CM-scale capillary channels, article, May 1, 2005; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc781324/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.