Characterization of kinetic energy distributions of ions in high laser irradiance via orthogonal time-of-flight mass spectrometry
Characterization of kinetic energy distributions of ions in high laser irradiance via orthogonal time-of-flight mass spectrometry
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通过正交飞行时间质谱法表征高激光辐照度下离子的动能分布
DOI:
10.1016/j.sab.2012.06.024
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发表时间:
2012-10
期刊:
影响因子:
--
通讯作者:
杭纬
中科院分区:
文献类型:
--
作者:
杭纬
The characteristics of laser ionization in low pressure background gas have been investigated through the measurement of temporal and kinetic energy distributions of Al+, Mn+, Nb+, In+, Ta+, and Bi+produced from a disk comprised of these metallic elements. A Q-switched Nd:YAG laser was utilized with a laser beam at 532nm of wavelength and 1.0×1010W/cm2of laser irradiance. The kinetic energy was found to be the same for all ablated species at the given pressure, regardless of the atomic mass. The plume propagation translates from a free expansion at 0.5Pa to a collisional and shockwave-like hydrodynamic expansion at 50Pa. A plume splitting exists at 500–1500Pa where only the fast component can be observed with a grounded nozzle voltage. As the nozzle voltage grows up, the thermalized component with increased kinetic energy is found depending on the nozzle voltage.
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影响因子:
3.2
作者:
M. Qaisar;G. Pert
通讯作者:
M. Qaisar;G. Pert
DOI:
10.1016/j.nimb.2006.07.004
发表时间:
2006-11
影响因子:
1.3
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DOI:
10.1016/s0165-9936(98)00058-2
发表时间:
1998-08
期刊:
Trends in Analytical Chemistry
影响因子:
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作者:
D. A. Rusak;B. Castle;B. Smith;J. Winefordner
通讯作者:
D. A. Rusak;B. Castle;B. Smith;J. Winefordner
影响因子:
3.2
作者:
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K. F. Al-Shboul;S. S. Harilal-S.;A. Hassanein;M. Polek
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R. F. Wood;J. Leboeuf;D. Geohegan;A. Puretzky;Kuan-Ren Chen
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