| 激光等离子体研究的真空室中背景气体的激光多光子电离 |
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| 引用本文： | 崔俊文,吴存恺,林尊琪,林福成,舒海珍,潘成明,毕无忌,谢锌铭,G.Mainfray.激光等离子体研究的真空室中背景气体的激光多光子电离[J].中国激光,1984,11(11):654-657. |
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| 作者姓名： | 崔俊文 吴存恺 林尊琪 林福成 舒海珍 潘成明 毕无忌 谢锌铭 G.Mainfray |
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| 作者单位： | 中国科学院上海光机所
(崔俊文，吴存恺，林尊琪，林福成，舒海珍，潘成明，毕无忌，谢锌铭)，法国萨克莱核研中心原子和表面物理实验室(G.Mainfray) |
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| 摘 要： | 本文报道了在高功率密度激光辐照下,激光等离子体研究用的真空室中背景气体(主要是真空系统中的油蒸气)的多光子电离的实验研究结果。得到的离子按其荷质比决定的飞行时间可以分成四组:H_2~ ,H~ ;C~ ,CH~ ,CH_2~ ,CH_3~ ,N~ ,O~ ;C_2~ ,C_2H~ ,C_2H_2~ ,C_2H_3~ ,C_2H_4~ ,Si~ ,CHO~ ,O_2~ 和C_3~ ,C_3H~ ,C_3H_2~ ,C_3H_3~ 等。此外,还观测到C~( )离子。最后充入一定浓度的氩气,观测到了氩离子。
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| 收稿时间： | 1984/1/23 |
Laser multiphoton ionization of background gases in the vacuum chamber for laser produced plasma study |
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| Abstract: | In this paper the experimental results of laser multiphoton ionization of background gases (mostly oil-vapor) in the vacuum chamber for laser produced plasma study are presented by using high power laser irradiation. According to the time-of-Sight-spectrnm of the ions with different specific charge, the obtained ions can be divided into four groups: H+, H2+; C+, CH+, CH2+, CH3+ N+, O+; C2+, C2H+, C2H2+, C2H3+,C2H4+, Si+, CHO+, O2+ and C3+, C3H+, C3H2+, C3H3+. Moreover; C++ ions have also bssn obseved. Finally by adding argon gas with definite concentration into the vacuum chamber, Ar+ is observed. |
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