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Burst behavior due to the quasimode excited by stimulated Brillouin scattering in high-intensity laser–plasma interactions

Q. S. Feng, L. H. Cao, Z. J. Liu, C. Y. Zheng, X. T. He
2019 High Power Laser Science and Engineering  

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The strong-coupling mode, called the "quasimode", is excited by stimulated Brillouin scattering (SBS) in high-intensity laser–plasma interactions. Also SBS of the quasimode competes with SBS of the fast mode (or slow mode) in multi-ion species plasmas, thus leading to a low-frequency burst behavior of SBS reflectivity. Competition between the quasimode and the ion-acoustic wave (IAW) is an important saturation mechanism of SBS in high-intensity laser–plasma interactions. These results give a
more » ... ar explanation of the low-frequency periodic burst behavior of SBS and should be considered as a saturation mechanism of SBS in high-intensity laser–plasma interactions.
doi:10.1017/hpl.2019.44 fatcat:tumpez23gngqneqdsur6nqphuq
DOAJ
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Q. S. Feng, L. H. Cao, Z. J. Liu, C. Y. Zheng, X. T. He. "Burst behavior due to the quasimode excited by stimulated Brillouin scattering in high-intensity laser–plasma interactions." High Power Laser Science and Engineering (2019)