期刊
OPTICS EXPRESS
卷 18, 期 11, 页码 11159-11172出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.18.011159
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- EC [RII3-CT-2003-506350, 212025]
- Agence Nationale de la Recherche
Using automated laser pulse temporal shaping we report on enhancing spectral emission characteristics of ablation plasmas produced by laser irradiation of brass on ultrafast time scales. For different input irradiance levels, control of both atomic and ionic species becomes possible concerning the yield and the excitation state. The improved energy coupling determined by tailored pulses induces material ejection with lower mechanical load that translates into hot gas-phase regions with higher excitation degrees and reduced particulates. (C) 2010 Optical Society of America
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