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Phys. Rev. Lett. 90, 214802 (2003) [4 pages]

Numerical Experiments on Free-Electron Lasers Without Inversion

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Yuri Rostovtsev1, Simeon Trendafilov1, Alexander Artemiev1,3,5, Kishore Kapale1, Gershon Kurizki5, and Marlan O. Scully1,2,4
1Department of Physics and Institute for Quantum Studies, Texas A&M University, College Station, Texas 77843-4242, USA
2Department of Electric Engineering, Texas A&M University, College Station, Texas 77843-4242, USA
3General Physics Institute Russian Academy of Sciences, 38 Vavilov Street, Moscow, 117942, Russia
4Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, D-85748, Garching, Germany
5Chemical Physics Department, Weizmann Institute of Science, Rehovot 76100, Israel

Received 23 February 2003; published 30 May 2003

The inversionless free-electron laser having a drift region consisting of two magnets is analyzed. Performing numerical simulations of electron motion inside wigglers and the drift region, we have shown that this system has a positive mean gain over the entire energy distribution of the electron beam. We study the influence of emittance and the spread of electron energies on the gain.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.214802
DOI:
10.1103/PhysRevLett.90.214802
PACS:
41.60.Cr
 
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