Longitudinal profiles of plasma parameters in a laser-ignited capillary discharge and implications for laser wakefield accelerator applications

M. Levin; A. Pukhov; R. F. Hubbard; D. Kaganovich; D. F. Gordon; P. Sprangle; A. Ting; B. Hafizi; A. Zigler

doi:10.1063/1.2149183

Longitudinal profiles of plasma parameters in a laser-ignited capillary discharge and implications for laser wakefield accelerator applications

M. Levin^*
, A. Pukhov
, R. F. Hubbard
, D. Kaganovich
, D. F. Gordon
, P. Sprangle
, A. Ting
, B. Hafizi
, A. Zigler

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

The evolution of longitudinal electron density and temperature profiles in plasma channel produced by a low-current Plexiglas capillary discharge with laser ignition was investigated by spectroscopic methods. The plasma was produced by an electric discharge using a 0.5 mm diameter, 15 mm long Plexiglas capillary. The electron density measured in near-outlet region was found to be lower by 30%. Simulations show that this variation of the plasma density near the entrance of the capillary can pose substantial difficulties for external injection of electrons for laser wakefield accelerator applications.

Original language	English
Article number	261501
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	87
Issue number	26
DOIs	https://doi.org/10.1063/1.2149183
State	Published - 2005

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10.1063/1.2149183

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title = "Longitudinal profiles of plasma parameters in a laser-ignited capillary discharge and implications for laser wakefield accelerator applications",

abstract = "The evolution of longitudinal electron density and temperature profiles in plasma channel produced by a low-current Plexiglas capillary discharge with laser ignition was investigated by spectroscopic methods. The plasma was produced by an electric discharge using a 0.5 mm diameter, 15 mm long Plexiglas capillary. The electron density measured in near-outlet region was found to be lower by 30\%. Simulations show that this variation of the plasma density near the entrance of the capillary can pose substantial difficulties for external injection of electrons for laser wakefield accelerator applications.",

author = "M. Levin and A. Pukhov and Hubbard, \{R. F.\} and D. Kaganovich and Gordon, \{D. F.\} and P. Sprangle and A. Ting and B. Hafizi and A. Zigler",

year = "2005",

doi = "10.1063/1.2149183",

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AU - Levin, M.

AU - Pukhov, A.

AU - Hubbard, R. F.

AU - Kaganovich, D.

AU - Gordon, D. F.

AU - Sprangle, P.

AU - Ting, A.

AU - Hafizi, B.

AU - Zigler, A.

PY - 2005

Y1 - 2005

N2 - The evolution of longitudinal electron density and temperature profiles in plasma channel produced by a low-current Plexiglas capillary discharge with laser ignition was investigated by spectroscopic methods. The plasma was produced by an electric discharge using a 0.5 mm diameter, 15 mm long Plexiglas capillary. The electron density measured in near-outlet region was found to be lower by 30%. Simulations show that this variation of the plasma density near the entrance of the capillary can pose substantial difficulties for external injection of electrons for laser wakefield accelerator applications.

AB - The evolution of longitudinal electron density and temperature profiles in plasma channel produced by a low-current Plexiglas capillary discharge with laser ignition was investigated by spectroscopic methods. The plasma was produced by an electric discharge using a 0.5 mm diameter, 15 mm long Plexiglas capillary. The electron density measured in near-outlet region was found to be lower by 30%. Simulations show that this variation of the plasma density near the entrance of the capillary can pose substantial difficulties for external injection of electrons for laser wakefield accelerator applications.

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JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 26

M1 - 261501

ER -

Longitudinal profiles of plasma parameters in a laser-ignited capillary discharge and implications for laser wakefield accelerator applications

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