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聚焦光在亚表面损伤介质中的散射特性

Scattering characteristics of focused light beam in medium with subsurface damage

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摘要

针对光学元件的亚表面缺陷,结合基于激光共焦层析的亚表层检测方法,建立聚焦光束在亚表面损伤介质中的传输模型,并采用有限元分析方法,仿真研究K9玻璃光学元件亚表层缺陷对聚焦光束的散射调制特性,特别对颗粒状和微裂纹两类特殊缺陷的光学调制特性进行研究和分析,探索了波长、缺陷大小、缺陷折射率及缺陷方向对聚焦光束散射特性的影响规律,通过分析包含亚表面损伤缺陷信息的光场分布图和强度变化曲线,获得了亚表面损伤缺陷的信息,并对其进行评价。

Abstract

It order to solve the problem of scattering modulation of subsurface damage in optical elements, the transmission process of light beam in the subsurface damage medium is simulated using the finite element method. The effect of different factors on the light scattering characteristics of focused light beam in media with subsurface defects is studied. The information of subsurface damage can be obtained and evaluated through optical field distribution and variation curves of intensity that contain information of subsurface damage. These research results provide an important theoretical guidance for the exploration of high feasibility, practical, quantitative, nondestructive detection technology of the subsurface damage.

Newport宣传-MKS新实验室计划
补充资料

中图分类号:TN012

DOI:10.11884/hplpb201426.091021

基金项目:陕西省科技厅资助项目(2014KW05, 2014JM8333);陕西省教育厅资助项目(12JS048, 13JS039);国家自然科学基金项目(51075322)

收稿日期:2014-05-04

修改稿日期:2014-05-13

网络出版日期:--

作者单位    点击查看

田爱玲:西安工业大学 陕西省薄膜与光学检测技术重点实验室, 西安 710032
田玉珺:西安工业大学 陕西省薄膜与光学检测技术重点实验室, 西安 710032
王春慧:西安工业大学 陕西省薄膜与光学检测技术重点实验室, 西安 710032
潘永强:西安工业大学 陕西省薄膜与光学检测技术重点实验室, 西安 710032
王红军:西安工业大学 陕西省薄膜与光学检测技术重点实验室, 西安 710032
刘丙才:西安工业大学 陕西省薄膜与光学检测技术重点实验室, 西安 710032
朱学亮:西安工业大学 陕西省薄膜与光学检测技术重点实验室, 西安 710032

联系人作者:田爱玲(tian21964@sohu.com)

备注:田爱玲(1964-),女,博士,教授,主要从事光学检测、光电测试方面的研究。

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引用该论文

Tian Ailing,Tian Yujun,Wang Chunhui,Pan Yongqiang,Wang Hongjun,Liu Bingcai,Zhu Xueliang. Scattering characteristics of focused light beam in medium with subsurface damage[J]. High Power Laser and Particle Beams, 2014, 26(9): 091021

田爱玲,田玉珺,王春慧,潘永强,王红军,刘丙才,朱学亮. 聚焦光在亚表面损伤介质中的散射特性[J]. 强激光与粒子束, 2014, 26(9): 091021

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