飞秒激光对氟化镁烧蚀机理研究; Mechanism of femtosecond laser-induced damage in magnesium fluoride
李成斌 ; 贾天卿 ; 孙海轶 ; 李晓溪 ; 徐世珍 ; 冯东海 ; 王晓峰 ; 葛晓春 ; 徐至展
刊名物理学报
2006
卷号55期号:1页码:217
关键词飞秒激光 femtosecond laser 氟化镁 magnesium fluoride 烧蚀机理 damage mechanism 双光子吸收 two-photon absorption
ISSN号1000-3290
其他题名Mechanism of femtosecond laser-induced damage in magnesium fluoride
中文摘要用扫描电镜(SEM)研究了氟化镁在800nm超短脉冲激光作用下的单枪表面烧蚀形貌.根据烧蚀斑面积与激光脉冲能量间的对数关系,测得烧蚀阈值与激光脉宽的关系曲线(55—750fs).计算了导带电子的双光子吸收,改进了多速率方程模型.很好地解释了实验结果.; Single-shot damage morphology of magnesium fluoride induced by fetmosecond laser pulse was studied with scanning electron microscope ( SEM ). The laser pulses used were 800 nm central wavelength. By the linear relationship between the area of damage spot and the logarithm of the laser energy, we measured the dependence of damage threshold on the pulse duration ranging from 55 femtosecond ( fs ) to 750 fs. We have calculated the two-photon absorption in the conduction band and improved the multiple-equation model ( Phys. Rev. Lett. 92 187401, 2004 ). The experimental results are well explained by our model.
学科主题激光技术;激光物理与基本理论
分类号TN24;TJ760.31
收录类别ei
语种中文
公开日期2009-09-18 ; 2010-10-12
内容类型期刊论文
源URL[http://ir.siom.ac.cn/handle/181231/348]  
专题上海光学精密机械研究所_强场激光物理国家重点实验室
推荐引用方式
GB/T 7714
李成斌,贾天卿,孙海轶,等. 飞秒激光对氟化镁烧蚀机理研究, Mechanism of femtosecond laser-induced damage in magnesium fluoride[J]. 物理学报,2006,55(1):217, 220.
APA 李成斌.,贾天卿.,孙海轶.,李晓溪.,徐世珍.,...&徐至展.(2006).飞秒激光对氟化镁烧蚀机理研究.物理学报,55(1),217.
MLA 李成斌,et al."飞秒激光对氟化镁烧蚀机理研究".物理学报 55.1(2006):217.
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