Suppression of stimulated Brillouin scattering by two perpendicular linear polarization lasers
Source abstract
Abstract
Stimulated Brillouin scattering (SBS) is a basic problem for laser–plasma interactions. In this work, two perpendicular linear polarization lasers with different frequencies are combined to form a new beam. The polarization of the new beam varies between linear and ellipse, while the intensity remains constant. By adopting this method, a significant suppression of SBS is predicted due to the reduction in the effective wave–wave interaction lengths. Additionally, two linearly polarized beams would be easier to use in an experiment than an alternate approach using two circularly polarized beams. The suppression of SBS is modeled with a nonlinear wave–wave coupling model, and the model is verified with 1D particle-in-cell simulations.
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Research context
OpenAlex topics: Laser-Plasma Interactions and Diagnostics · Laser-Matter Interactions and Applications · Advanced Fiber Laser Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
HEDPS, Center for Applied Physics and Technology, School of Physics, Peking University 1 , Beijing 100871, China
HEDPS, Center for Applied Physics and Technology, Peking University 2 , Beijing 100871, China
Institute of Applied Physics and Computational Mathematics 3 , Beijing 100094, China
Collaborative Innovation Center of IFSA (CICIFSA), Shanghai Jiao Tong University 4 , Shanghai 200240, China
Funding
Science Challenge Project · National Natural Science Foundation of China
References (13)
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