A Plasma Channel Beam Conditioner for a Free Electron Laser

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By "conditioning" an electron beam, through establishing acorrelation between transverse action and energy within the beam, theperformance of free electron lasers (FELs) can be dramatically improved.Under certain conditions, the FEL can perform as if the transverseemittances of the beam were substantially lower than the actual values.After a brief review of the benefits of beam conditioning, we present amethod to generate this correlation through the use of a plasma channel.The strong transverse focusing produced by a plasma channel (chosen tohave density 1016/cm3) allows the optimal correlation to be achieved in areasonable length channel, of order 1 m. This appears to be ... continued below

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Penn, G.; Sessler, A.M. & Wurtele, J.S. July 1, 2007.

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By "conditioning" an electron beam, through establishing acorrelation between transverse action and energy within the beam, theperformance of free electron lasers (FELs) can be dramatically improved.Under certain conditions, the FEL can perform as if the transverseemittances of the beam were substantially lower than the actual values.After a brief review of the benefits of beam conditioning, we present amethod to generate this correlation through the use of a plasma channel.The strong transverse focusing produced by a plasma channel (chosen tohave density 1016/cm3) allows the optimal correlation to be achieved in areasonable length channel, of order 1 m. This appears to be a convenientand practical method for achieving conditioned beams, in comparison withother methods which require either a long beamline or multiple passesthrough some type of ring.

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  • Particle Accelerator Conference 07, Albuquerque,NM, June 25-29, 2007

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  • Report No.: LBNL--63600
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 928795
  • Archival Resource Key: ark:/67531/metadc896056

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Office of Scientific & Technical Information Technical Reports

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  • July 1, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Oct. 31, 2016, 4:12 p.m.

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Penn, G.; Sessler, A.M. & Wurtele, J.S. A Plasma Channel Beam Conditioner for a Free Electron Laser, article, July 1, 2007; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc896056/: accessed October 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.