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[期刊论文] 作者：HuaishengWang,ZhigangZhang,LuChai,QingyueWang,
来源：ChineseOpticsLetters 年份：2003
When femtosecond laser pulses interfere with chirped femtosecond laser pulses in As_(2)S_(3) fiber, a chirped fiber grating is formed. An analytical expression is given to describe the chirped grating, and its Bragg reflectivity is calculat......
[期刊论文] 作者：XiaochangNi,Ching-YueWang,YanfengLi,MinglieHu,ZhuanWang,LuChai,
来源：ChineseOpticsLetters 年份：2003
Ablation experiments with femtosecond (fs) laser pulse (pulse duration 37 fs, wavelength 800 nm) on organic polymers have been performed in air. The ablation threshold is found to be only several nanojoules. The diameters of the dots ablate......
[期刊论文] 作者：XiaochangNi,Ching-YueWang,ZhuanWang,MinglieHu,YanfengLi,LuChai,
来源：ChineseOpticsLetters 年份：2003
The Ti:sapphire oscillator is used to realize structural change in an organic glass (polymethyl -methacrylate (PMMA)). Single pulse fluence threshold of PMMA and the relation of the breakdown threshold with different numerical aperture obje......
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