The ion-channel laser

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Description

A relativistic electron beam propagating through a plasma in the ion-focused regime exhibits an electromagnetic instability at a resonant frequency {omega} {approximately} 2{gamma}{sup 2} {omega}{sub {beta}}. Growth is enhanced by optical guiding in the ion channel, which acts as dielectric waveguide, with fiber parameter V {approximately} 2 (I/I{sub A}){sup 1/2}. A 1-D theory for such an ion-channel laser'' is formulated, scaling laws are derived and numerical examples are given. Possible experimental evidence is noted. 23 refs., 1 fig., 1 tab.

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Pages: (8 p)

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Whittum, D.H.; Sessler, A.M. (Lawrence Berkeley Lab., CA (USA)) & Dawson, J.M. (California Univ., Los Angeles, CA (USA). Dept. of Physics) January 1, 1990.

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Description

A relativistic electron beam propagating through a plasma in the ion-focused regime exhibits an electromagnetic instability at a resonant frequency {omega} {approximately} 2{gamma}{sup 2} {omega}{sub {beta}}. Growth is enhanced by optical guiding in the ion channel, which acts as dielectric waveguide, with fiber parameter V {approximately} 2 (I/I{sub A}){sup 1/2}. A 1-D theory for such an ion-channel laser'' is formulated, scaling laws are derived and numerical examples are given. Possible experimental evidence is noted. 23 refs., 1 fig., 1 tab.

Physical Description

Pages: (8 p)

Notes

NTIS, PC A02/MF A01; OSTI; INIS; GPO Dep.

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  • Other: DE90016646
  • Report No.: LBL-28570
  • Grant Number: AC03-76SF00098
  • Grant Number: FG03-87ER13752
  • DOI: 10.2172/6726368 | External Link
  • Office of Scientific & Technical Information Report Number: 6726368
  • Archival Resource Key: ark:/67531/metadc1186606

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 1990

Added to The UNT Digital Library

  • July 3, 2018, 8:14 a.m.

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  • Oct. 29, 2018, 11:05 p.m.

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Whittum, D.H.; Sessler, A.M. (Lawrence Berkeley Lab., CA (USA)) & Dawson, J.M. (California Univ., Los Angeles, CA (USA). Dept. of Physics). The ion-channel laser, report, January 1, 1990; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc1186606/: accessed November 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.