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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Schmitt, M.J. Daughton, W.S. Lin Yin Albright, B.J. Main, D.S. Kwan, T.J. |
| Copyright Year | 2008 |
| Description | Author affiliation: Los Alamos Nat. Lab., Los Alamos, NM (Schmitt, M.J.; Daughton, W.S.; Lin Yin; Albright, B.J.; Main, D.S.; Kwan, T.J.) |
| Abstract | Summary form only given. The recent discovery of electron bunch acceleration to GeV energies using ultra-short laser pulses propagating through centimeter-scale plasmas has stimulated interest in the use of these "mono-energetic" electron bunches to drive self-amplified spontaneous emission (SASE) free-electron lasers (FELs). Theoretically, one can generate 0.1-1 keV coherent FEL photon pulses provided an electron bunch having high peak current, concomitant with low emittance and energy spread, can be achieved and successfully injected into the FEL wiggler. We have simulated the bubble acceleration of electrons using the 3-D particle-in-cell (PIC) code VPIC. The VPIC code has recently been optimized for the Roadrunner computer platform3 facilitating simulation of the entire acceleration process in the laboratory frame in 3-D. The electron distribution from these VPIC simulations is used as input for the 3-D FEL code FELEX4 to calculate the self-consistent growth from spontaneous emission of the 0.1 -1 keV photon pulse produced in the wiggler. FELEX models the interaction of the electron pulse with the optical pulse including the transverse dependences of the wiggler field (including wiggler field errors, if desired), and the transverse fall off of the electron density and optical field intensity. Examples of these simulation will be shown including the effects of electron beam quality on FEL extraction efficiency. These calculations provide an initial estimate of the specifications for both the electron acceleration quality and the FEL wiggler design parameters. |
| Starting Page | 1 |
| Ending Page | 1 |
| File Size | 32385 |
| Page Count | 1 |
| File Format | |
| ISBN | 9781424419296 |
| ISSN | 07309244 |
| DOI | 10.1109/PLASMA.2008.4590979 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-06-15 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Solid modeling Free electron lasers Undulators Acceleration Physics Photonics Computational modeling |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering |
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