Plasma scale-length effects on electron energy spectra in high-irradiance laser plasmas

O. Culfa; G.J. Tallents; A.K. Rossall; E. Wagenaars; C. P. Ridgers; C.D. Murphy; R. J. Dance; R. J. Gray; P. McKenna; C.D.R Brown; S.F. James; D.J. Hoarty; N. Booth; A.P.L. Robinson; K.L. Lancaster; S.A. Pikuz; A. Ya Faenov; T. Kampfer; K. S. Schulze; I. Uschmann; N.C. Woolsey

doi:10.1103/PhysRevE.93.043201

Plasma scale-length effects on electron energy spectra in high-irradiance laser plasmas

O. Culfa, G.J. Tallents, A.K. Rossall, E. Wagenaars, C. P. Ridgers, C.D. Murphy, R. J. Dance, R. J. Gray, P. McKenna, C.D.R Brown, S.F. James, D.J. Hoarty, N. Booth, A.P.L. Robinson, K.L. Lancaster, S.A. Pikuz, A. Ya Faenov, T. Kampfer, K. S. Schulze, I. UschmannN.C. Woolsey

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Abstract

An analysis of an electron spectrometer used to characterize fast electrons generated by ultraintense (1020Wcm−2) laser interaction with a preformed plasma of scale length measured by shadowgraphy is presented. The effects of fringing magnetic fields on the electron spectral measurements and the accuracy of density scale-length measurements are evaluated. 2D EPOCH PIC code simulations are found to be in agreement with measurements of the electron energy spectra showing that laser filamentation in plasma preformed by a prepulse is important with longer plasma scale lengths (>8 μm).

Original language	English
Article number	043201
Number of pages	10
Journal	Physical Review E
Volume	93
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevE.93.043201
Publication status	Published - 6 Apr 2016

Keywords

laser-plasma
preplasma
electron energy distributions

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10.1103/PhysRevE.93.043201

Culfa-etal-PRE2016-plasma-scale-length-effects-on-eletron-energy-spectra-in-high-irradianceAccepted author manuscript, 18.4 MB

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Culfa, O., Tallents, G. J., Rossall, A. K., Wagenaars, E., Ridgers, C. P., Murphy, C. D., Dance, R. J., Gray, R. J., McKenna, P., Brown, C. D. R., James, S. F., Hoarty, D. J., Booth, N., Robinson, A. P. L., Lancaster, K. L., Pikuz, S. A., Faenov, A. Y., Kampfer, T., Schulze, K. S., ... Woolsey, N. C. (2016). Plasma scale-length effects on electron energy spectra in high-irradiance laser plasmas. Physical Review E, 93(4), Article 043201. https://doi.org/10.1103/PhysRevE.93.043201

@article{4fdd76d91df547e6b981c4cb8a0ccb61,

title = "Plasma scale-length effects on electron energy spectra in high-irradiance laser plasmas",

abstract = "An analysis of an electron spectrometer used to characterize fast electrons generated by ultraintense (1020Wcm−2) laser interaction with a preformed plasma of scale length measured by shadowgraphy is presented. The effects of fringing magnetic fields on the electron spectral measurements and the accuracy of density scale-length measurements are evaluated. 2D EPOCH PIC code simulations are found to be in agreement with measurements of the electron energy spectra showing that laser filamentation in plasma preformed by a prepulse is important with longer plasma scale lengths (>8 μm).",

keywords = "laser-plasma, preplasma , electron energy distributions",

author = "O. Culfa and G.J. Tallents and A.K. Rossall and E. Wagenaars and Ridgers, \{C. P.\} and C.D. Murphy and Dance, \{R. J.\} and Gray, \{R. J.\} and P. McKenna and C.D.R Brown and S.F. James and D.J. Hoarty and N. Booth and A.P.L. Robinson and K.L. Lancaster and S.A. Pikuz and Faenov, \{A. Ya\} and T. Kampfer and Schulze, \{K. S.\} and I. Uschmann and N.C. Woolsey",

year = "2016",

month = apr,

day = "6",

doi = "10.1103/PhysRevE.93.043201",

language = "English",

volume = "93",

journal = "Physical Review E",

issn = "1539-3755",

publisher = "American Physical Society",

number = "4",

}

Culfa, O, Tallents, GJ, Rossall, AK, Wagenaars, E, Ridgers, CP, Murphy, CD, Dance, RJ, Gray, RJ, McKenna, P, Brown, CDR, James, SF, Hoarty, DJ, Booth, N, Robinson, APL, Lancaster, KL, Pikuz, SA, Faenov, AY, Kampfer, T, Schulze, KS, Uschmann, I & Woolsey, NC 2016, 'Plasma scale-length effects on electron energy spectra in high-irradiance laser plasmas', Physical Review E, vol. 93, no. 4, 043201. https://doi.org/10.1103/PhysRevE.93.043201

TY - JOUR

T1 - Plasma scale-length effects on electron energy spectra in high-irradiance laser plasmas

AU - Culfa, O.

AU - Tallents, G.J.

AU - Rossall, A.K.

AU - Wagenaars, E.

AU - Ridgers, C. P.

AU - Murphy, C.D.

AU - Dance, R. J.

AU - Gray, R. J.

AU - McKenna, P.

AU - Brown, C.D.R

AU - James, S.F.

AU - Hoarty, D.J.

AU - Booth, N.

AU - Robinson, A.P.L.

AU - Lancaster, K.L.

AU - Pikuz, S.A.

AU - Faenov, A. Ya

AU - Kampfer, T.

AU - Schulze, K. S.

AU - Uschmann, I.

AU - Woolsey, N.C.

PY - 2016/4/6

Y1 - 2016/4/6

N2 - An analysis of an electron spectrometer used to characterize fast electrons generated by ultraintense (1020Wcm−2) laser interaction with a preformed plasma of scale length measured by shadowgraphy is presented. The effects of fringing magnetic fields on the electron spectral measurements and the accuracy of density scale-length measurements are evaluated. 2D EPOCH PIC code simulations are found to be in agreement with measurements of the electron energy spectra showing that laser filamentation in plasma preformed by a prepulse is important with longer plasma scale lengths (>8 μm).

AB - An analysis of an electron spectrometer used to characterize fast electrons generated by ultraintense (1020Wcm−2) laser interaction with a preformed plasma of scale length measured by shadowgraphy is presented. The effects of fringing magnetic fields on the electron spectral measurements and the accuracy of density scale-length measurements are evaluated. 2D EPOCH PIC code simulations are found to be in agreement with measurements of the electron energy spectra showing that laser filamentation in plasma preformed by a prepulse is important with longer plasma scale lengths (>8 μm).

KW - laser-plasma

KW - preplasma

KW - electron energy distributions

UR - http://journals.aps.org/pre/abstract/10.1103/PhysRevE.93.043201

U2 - 10.1103/PhysRevE.93.043201

DO - 10.1103/PhysRevE.93.043201

M3 - Article

SN - 1539-3755

VL - 93

JO - Physical Review E

JF - Physical Review E

IS - 4

M1 - 043201

ER -

Plasma scale-length effects on electron energy spectra in high-irradiance laser plasmas

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