Suppression of auto-resonant stimulated Brillouin scattering in supersonic flowing plasmas by different forms of incident lasers

doi:10.1088/1674-1056/ab9c12

中国物理B ›› 2020, Vol. 29 ›› Issue (9): 95202-095202.doi: 10.1088/1674-1056/ab9c12

Suppression of auto-resonant stimulated Brillouin scattering in supersonic flowing plasmas by different forms of incident lasers

S S Ban(班帅帅), Q Wang(王清), Z J Liu(刘占军), C Y Zheng(郑春阳), X T He(贺贤土)

1 HEDPS, Center for Applied Physics and Technology, School of Physics, Peking University, Beijing 100871, China;
2 Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

收稿日期:2020-06-07 修回日期:2020-06-10 接受日期:1900-01-01 出版日期:2020-09-05 发布日期:2020-09-05
通讯作者: C Y Zheng, X T He E-mail:zheng_chunyang@iapcm.ac.cn;xthe@iapcm.ac.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11875091 and 11975059) and the Science Challenge Project, China (Grant No. TZ2016005).

Suppression of auto-resonant stimulated Brillouin scattering in supersonic flowing plasmas by different forms of incident lasers

S S Ban(班帅帅)¹, Q Wang(王清)¹, Z J Liu(刘占军)², C Y Zheng(郑春阳)², X T He(贺贤土)^1,2

1 HEDPS, Center for Applied Physics and Technology, School of Physics, Peking University, Beijing 100871, China;
2 Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

Received:2020-06-07 Revised:2020-06-10 Accepted:1900-01-01 Online:2020-09-05 Published:2020-09-05
Contact: C Y Zheng, X T He E-mail:zheng_chunyang@iapcm.ac.cn;xthe@iapcm.ac.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11875091 and 11975059) and the Science Challenge Project, China (Grant No. TZ2016005).

摘要/Abstract

摘要： In supersonic flowing plasmas, the auto-resonant behavior of ion acoustic waves driven by stimulated Brillouin backscattering is self-consistently investigated. A nature of absolute instability appears in the evolution of the stimulated Brillouin backscattering. By adopting certain form of incident lights combined by two perpendicular linear polarization lasers or polarization rotation lasers, the absolute instability is suppressed significantly. The suppression of auto-resonant stimulated Brillouin scattering is verified with the fully kinetic Vlasov code.

关键词: inertial confinement fusion, laser plasma interaction, stimulated Brillouin scattering, fully kinetic simulation

Abstract: In supersonic flowing plasmas, the auto-resonant behavior of ion acoustic waves driven by stimulated Brillouin backscattering is self-consistently investigated. A nature of absolute instability appears in the evolution of the stimulated Brillouin backscattering. By adopting certain form of incident lights combined by two perpendicular linear polarization lasers or polarization rotation lasers, the absolute instability is suppressed significantly. The suppression of auto-resonant stimulated Brillouin scattering is verified with the fully kinetic Vlasov code.

Key words: inertial confinement fusion, laser plasma interaction, stimulated Brillouin scattering, fully kinetic simulation

中图分类号: (Laser-plasma interactions)

52.38.-r

52.65.-y (Plasma simulation)

班帅帅, 王清, 刘占军, 郑春阳, 贺贤土. Suppression of auto-resonant stimulated Brillouin scattering in supersonic flowing plasmas by different forms of incident lasers[J]. 中国物理B, 2020, 29(9): 95202-095202.

S S Ban(班帅帅), Q Wang(王清), Z J Liu(刘占军), C Y Zheng(郑春阳), X T He(贺贤土). Suppression of auto-resonant stimulated Brillouin scattering in supersonic flowing plasmas by different forms of incident lasers[J]. Chin. Phys. B, 2020, 29(9): 95202-095202.

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Suppression of auto-resonant stimulated Brillouin scattering in supersonic flowing plasmas by different forms of incident lasers

Suppression of auto-resonant stimulated Brillouin scattering in supersonic flowing plasmas by different forms of incident lasers

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