Results from the UCLA/FNPL underdense plasma lens experiment

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A gaussian underdense plasma lens with peak density 5 x 10{sup 12} cm{sup -3} and a full width half maximum (FWHM) length of 2.2 cm has been used to focus a relativistic electron beam. This plasma lens is equivalent in strength to a quadrupole magnet with a 150 T/m field gradient. The lens focused a 15 MeV, 16 nC electron beam with initial dimensions {sigma}{sub x,y} {approx} 650 {micro}m and {sigma}{sub z} {approx} 6.5 mm onto an optical transition radiation (OTR) screen {approx}2 cm downstream of the lens. The average transverse area of the plasma focused electron beam was typically ... continued below

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9 pages

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Thompson, M.C.; Badakov, H.; Rosenzweig, J.B.; Travish, G.; /UCLA; Edwards, H. et al. January 1, 2007.

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A gaussian underdense plasma lens with peak density 5 x 10{sup 12} cm{sup -3} and a full width half maximum (FWHM) length of 2.2 cm has been used to focus a relativistic electron beam. This plasma lens is equivalent in strength to a quadrupole magnet with a 150 T/m field gradient. The lens focused a 15 MeV, 16 nC electron beam with initial dimensions {sigma}{sub x,y} {approx} 650 {micro}m and {sigma}{sub z} {approx} 6.5 mm onto an optical transition radiation (OTR) screen {approx}2 cm downstream of the lens. The average transverse area of the plasma focused electron beam was typically demagnified by a factor of 23. The evolution of the beam envelope in the area near the beam waist was measured for both round beams and asymmetric beams with x:y aspect ratios as large as 1:5. The light from the OTR screen in the round beam case was also imaged into a streak camera in order to directly measure the correlation between z and {sigma}{sub r} within the beam.

Physical Description

9 pages

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  • Journal Name: Int.J.Mod.Phys.A22:3979-3987,2007; Conference: Prepared for Workshop on the Physics and Applications of High Brightness Electron Beams (PAHBEB 2005), Erice, Sicily, Italy, 9-14 Oct 2005

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  • Report No.: FERMILAB-CONF-05-654-AD
  • Grant Number: AC02-07CH11359
  • DOI: 10.1142/S0217751X0703755X | External Link
  • Office of Scientific & Technical Information Report Number: 923531
  • Archival Resource Key: ark:/67531/metadc899016

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  • January 1, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 1, 2016, 4:37 p.m.

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Thompson, M.C.; Badakov, H.; Rosenzweig, J.B.; Travish, G.; /UCLA; Edwards, H. et al. Results from the UCLA/FNPL underdense plasma lens experiment, article, January 1, 2007; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc899016/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.