Measurements of relativistic self-phase-modulation in plasma

I. Watts; Matthew Zepf; E.L. Clark; M. Tatarakis; K. Krushelnick; A.E. Dangor; R. Allott; R.J. Clarke; D. Neely; P.A. Norreys

doi:10.1103/PhysRevE.66.036409

Measurements of relativistic self-phase-modulation in plasma

I. Watts, Matthew Zepf, E.L. Clark, M. Tatarakis, K. Krushelnick, A.E. Dangor, R. Allott, R.J. Clarke, D. Neely, P.A. Norreys

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

56 Citations (Scopus)

Abstract

We report the first systematic observations of relativistic self-phase-modulation (RSPM) due to the interaction of a high intensity laser pulse with plasma. The plasma was produced in front of a solid target by the prepulse of a 100 TW laser beam. RSPM was observed by monitoring the spectrum of the harmonics generated by the intense laser pulse during the interaction. The multipeaked broadened spectral structure produced by RSPM was studied in plasmas with different density scale lengths for laser interactions at intensities up to 3.0x1019 W cm(-2) (a=p(osc)/m(e)c=4.7). The results are compared with calculated spectra and agreement is obtained.

Original language	English
Article number	036409
Pages (from-to)	036409/1-036409/6
Journal	Physical Review E
Volume	66
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevE.66.036409
Publication status	Published - Sep 2002

ASJC Scopus subject areas

Mathematical Physics
Physics and Astronomy(all)
Condensed Matter Physics
Statistical and Nonlinear Physics

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10.1103/PhysRevE.66.036409

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title = "Measurements of relativistic self-phase-modulation in plasma",

abstract = "We report the first systematic observations of relativistic self-phase-modulation (RSPM) due to the interaction of a high intensity laser pulse with plasma. The plasma was produced in front of a solid target by the prepulse of a 100 TW laser beam. RSPM was observed by monitoring the spectrum of the harmonics generated by the intense laser pulse during the interaction. The multipeaked broadened spectral structure produced by RSPM was studied in plasmas with different density scale lengths for laser interactions at intensities up to 3.0x1019 W cm(-2) (a=p(osc)/m(e)c=4.7). The results are compared with calculated spectra and agreement is obtained.",

author = "I. Watts and Matthew Zepf and E.L. Clark and M. Tatarakis and K. Krushelnick and A.E. Dangor and R. Allott and R.J. Clarke and D. Neely and P.A. Norreys",

year = "2002",

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language = "English",

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TY - JOUR

T1 - Measurements of relativistic self-phase-modulation in plasma

AU - Watts, I.

AU - Zepf, Matthew

AU - Clark, E.L.

AU - Tatarakis, M.

AU - Krushelnick, K.

AU - Dangor, A.E.

AU - Allott, R.

AU - Clarke, R.J.

AU - Neely, D.

AU - Norreys, P.A.

PY - 2002/9

Y1 - 2002/9

N2 - We report the first systematic observations of relativistic self-phase-modulation (RSPM) due to the interaction of a high intensity laser pulse with plasma. The plasma was produced in front of a solid target by the prepulse of a 100 TW laser beam. RSPM was observed by monitoring the spectrum of the harmonics generated by the intense laser pulse during the interaction. The multipeaked broadened spectral structure produced by RSPM was studied in plasmas with different density scale lengths for laser interactions at intensities up to 3.0x1019 W cm(-2) (a=p(osc)/m(e)c=4.7). The results are compared with calculated spectra and agreement is obtained.

AB - We report the first systematic observations of relativistic self-phase-modulation (RSPM) due to the interaction of a high intensity laser pulse with plasma. The plasma was produced in front of a solid target by the prepulse of a 100 TW laser beam. RSPM was observed by monitoring the spectrum of the harmonics generated by the intense laser pulse during the interaction. The multipeaked broadened spectral structure produced by RSPM was studied in plasmas with different density scale lengths for laser interactions at intensities up to 3.0x1019 W cm(-2) (a=p(osc)/m(e)c=4.7). The results are compared with calculated spectra and agreement is obtained.

U2 - 10.1103/PhysRevE.66.036409

DO - 10.1103/PhysRevE.66.036409

M3 - Article

VL - 66

SP - 036409/1-036409/6

JO - Physical review. E

JF - Physical review. E

SN - 2470-0045

IS - 3

M1 - 036409

ER -

Measurements of relativistic self-phase-modulation in plasma

Abstract

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