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光学材料亚表面缺陷处强激光电磁场分布的3维模拟 被引量：8

Three-dimensional numerical simulation of light intensity distribution in vicinity of subsurface defect
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摘要 利用时域有限差分法求解麦克斯韦旋度方程,研究了光学材料表面缺陷对入射激光场的调制作用,建立了亚表面缺陷的3维模型。以长方体表面缺陷为例,对缺陷附近的光场分布进行了3维数值计算,给出了电场强度3维分布图和缺陷不同尺寸时的最大电场强度。研究表明,相对于2维简化情况,3维表面缺陷对强激光电磁场的调制作用更加明显。 In this paper, the modulation of light field by the subsurface defects is investigated in detail by solving Maxwell equations employing the finite-difference time-domain method. Meanwhile, the model of three-dimensional defect is set up. Taking euboid defect as an example, the three-dimensional electromagnetic intensity distribution around the defect is simulated. The maximum electronic field intensity of different defect three dimensional numerical simulation is given. The results show modulation of three--dimensional defect to light intensity is more distinct than that of two-dimensional defect.
作者 李莉 雷雨 肖邵球 袁晓东 蒋晓东 郑万国 花金荣 祖小涛
机构地区 电子科技大学应用物理系 中国工程物理研究院激光聚变研究中心
出处 《强激光与粒子束》 EI CAS CSCD 北大核心 2009年第6期936-938,共3页 High Power Laser and Particle Beams
基金 教育部新世纪优秀人才支持计划资助课题(NCET-04-0899)
关键词 激光损伤 亚表面缺陷 电磁场时域有限差分法 光场调制 3维模拟 laser induced damage subsurface defect finite-difference time-domain method electric field modulation three dimensional numerical simulation
分类号 TN012 [电子电信—物理电子学]
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参考文献12

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二级参考文献20

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共引文献25

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引证文献8

二级引证文献22

强激光与粒子束
2009年 第6期

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