| Characterization of Density Profile of Cylindrical Pulsed Gas Jets |
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| 作者姓名： | 于全芝 李玉同 张杰 郑君 李汉明 彭晓昱 李昆 |
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| 作者单位： | LaboratoryofOpticalPhysics,InstituteofPhysics,ChineseAcademyofSciences,Beijing100080 |
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| 摘 要： | We investigated the characteristics of argon and helium gas jets produced by a cylindrical nozzle under pressures from 1 to 6 MPa using a femtosecond laser interferometry. A radial parabolic distribution and an axial exponential distribution of the gas jet density profiles are identified. The results show that the density increases linearly with the backing press ure.
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| 关 键 词： | 脉冲气体喷射 等离子体物理 氩气喷射 氦气喷射 轴向指数分布 |
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