Influence of Ambient Pressure on Velocity of Emission Particle of Laser-ablated Al Target

ZHANG Shu-dong; CHEN Guan-ying; LIU Ya-nan; DONG Chen-zhong

doi:10.11804/NuclPhysRev.19.02.206

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Article Navigation > Nuclear Physics Review > 2002 > 19(2): 206-208

ZHANG Shu-dong, CHEN Guan-ying, LIU Ya-nan, DONG Chen-zhong. Influence of Ambient Pressure on Velocity of Emission Particle of Laser-ablated Al Target[J]. Nuclear Physics Review, 2002, 19(2): 206-208. doi: 10.11804/NuclPhysRev.19.02.206

Citation:

ZHANG Shu-dong, CHEN Guan-ying, LIU Ya-nan, DONG Chen-zhong. Influence of Ambient Pressure on Velocity of Emission Particle of Laser-ablated Al Target[J]. Nuclear Physics Review, 2002, 19(2): 206-208. doi: 10.11804/NuclPhysRev.19.02.206

Influence of Ambient Pressure on Velocity of Emission Particle of Laser-ablated Al Target

doi: 10.11804/NuclPhysRev.19.02.206

(1 College of Physics and Electronic Engineering; Northwest Normal University; Lanzhou 730070; China; 2 Laboratory of Environmental Spectroscopy; Anhui Inst;

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2002-06-20

Abstract

With the ambient gas pressure in the range from 8×10 -3 to 10 2 Pa, Q-switched YAG laser ablates plane aluminum target and plasma are produced. Optical emission spectroscopy is used to carry out time-resolved analysis of atomic particles. Using the resonance transition of Al I 396.1 nm (3p 2P-4s 2S), the spatiol velocity distribution of Al I has been obtained under the laser energies of 160 mJ/pulse when the ablating size is about 200 μm. The velocity is at the order of 10 6 cm/s...
- laser-produced plasma,
- plane Al target,
- velocity distribution of particle,
- shockwave model,
- ambient gas pressure
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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