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微波与非均匀等离子体相互作用过程中坑子的形成与谐波发射

CAVITON FORMATION AND SECOND HARMONIC EMISSION DURING THE INTERACTION OF MICROWAVE WITH INHOMOGENEOUS PLASMA

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【作者】 刘建敏； 蒋勇； 丁卫星； 胡根泽； 俞昌旋；

【Author】 LIU JIAN-MIN JIANG YONG DING WEI-XINO HU GEN-ZE YU CHANG-XUANDepartment of Modern Physics, University of Science and Technology of China, Hefei 2300261

【机构】 中国科学技术大学近代物理系； 中国科学技术大学近代物理系 合肥 230026； 合肥 230026； 合肥 230026；

【摘要】 <正> The experimental simulations of laser-plasma interaction process by means of the microwave-plasma interaction have been performed in a steady state plasma device. The evolution of cavitom in the nonlinear interaction is experimentally investigated. The good agreement between experimental results and numerical calculation of Zakharov equation is obtained. The second harmonic emission spectrum is measured, and the mechanism of red-shift of second harmonic frequency is discussed.

【Abstract】 The experimental simulations of laser-plasma interaction process by means of the microwave-plasma interaction have been performed in a steady state plasma device. The evolution of cavitom in the nonlinear interaction is experimentally investigated. The good agreement between experimental results and numerical calculation of Zakharov equation is obtained. The second harmonic emission spectrum is measured, and the mechanism of red-shift of second harmonic frequency is discussed.

【关键词】 谐波发射； 微波脉冲； 二次谐波； 电子等离子体波； harmonic； microwave； 临界面； 谐振腔； 中频输出； 共振吸收；
【基金】 国家自然科学基金
  • 【文献出处】 物理学报 ,Acta Physica Sinica , 编辑部邮箱 ,1992年10期
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