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Oks E, Dalimier E, Faenov AY, et al. Using X-ray spectroscopy of relativistic laser plasma interaction to reveal parametric decay instabilities: a modeling tool for astrophysics. Opt Express. 2017;25(3):1958-1972doi: 10.1364/OE.25.001958.
Oks, E., Dalimier, E., Faenov, A. Y., Angelo, P., Pikuz, S. A., Tubman, E., Butler, N. M. H., Dance, R. J., Pikuz, T. A., Skobelev, I. Y., Alkhimova, M. A., Booth, N., Green, J., Gregory, C., Andreev, A., Zhidkov, A., Kodama, R., McKenna, P., & Woolsey, N. (2017). Using X-ray spectroscopy of relativistic laser plasma interaction to reveal parametric decay instabilities: a modeling tool for astrophysics. Optics express, 25(3), 1958-1972. https://doi.org/10.1364/OE.25.001958
Oks, E, et al. "Using X-ray spectroscopy of relativistic laser plasma interaction to reveal parametric decay instabilities: a modeling tool for astrophysics." Optics express vol. 25,3 (2017): 1958-1972. doi: https://doi.org/10.1364/OE.25.001958
Oks E, Dalimier E, Faenov AY, Angelo P, Pikuz SA, Tubman E, Butler NMH, Dance RJ, Pikuz TA, Skobelev IY, Alkhimova MA, Booth N, Green J, Gregory C, Andreev A, Zhidkov A, Kodama R, McKenna P, Woolsey N. Using X-ray spectroscopy of relativistic laser plasma interaction to reveal parametric decay instabilities: a modeling tool for astrophysics. Opt Express. 2017 Feb 06;25(3):1958-1972. doi: 10.1364/OE.25.001958. PMID: 29519045.
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Opt Express. 2017 Feb 06;25(3):1958-1972. doi: 10.1364/OE.25.001958.

Using X-ray spectroscopy of relativistic laser plasma interaction to reveal parametric decay instabilities: a modeling tool for astrophysics.

Optics express

E Oks, E Dalimier, A Ya Faenov, P Angelo, S A Pikuz, E Tubman, N M H Butler, R J Dance, T A Pikuz, I Yu Skobelev, M A Alkhimova, N Booth, J Green, C Gregory, A Andreev, A Zhidkov, R Kodama, P McKenna, N Woolsey

PMID: 29519045 DOI: 10.1364/OE.25.001958

Abstract

By analyzing profiles of experimental x-ray spectral lines of Si XIV and Al XIII, we found that both Langmuir and ion acoustic waves developed in plasmas produced via irradiation of thin Si foils by relativistic laser pulses (intensities ~1021 W/cm2). We prove that these waves are due to the parametric decay instability (PDI). This is the first time that the PDI-induced ion acoustic turbulence was discovered by the x-ray spectroscopy in laser-produced plasmas. These conclusions are also supported by PIC simulations. Our results can be used for laboratory modeling of physical processes in astrophysical objects and a better understanding of intense laser-plasma interactions.

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