Diffraction effect of high-power laser beams through contamination particles

Zhang Guo-Wen; Lu Xing-Qiang; Cao Hua-Bao; Yin Xian-Hua; Lü Feng-Nian; Zhang Zhen; Li Jing-Hui; Wang Ren-Gui; Ma Wei-Xin; Zhu Jian

doi:10.7498/aps.61.024201

Abstract

The near-field diffraction characteristics when a high-power laser beam traverses contaminant particles are studied by using the designing software of high-power laser drivers-Laser designer. The modulations generated by contaminant particles are sorted. Then the influence of contaminant particles with amplitude or phase modulation on the near-field intensity distribution in vacuum or in fused silica is analyzed in great detail. The results show that in both vacuum and fused silica, the phase modulated contaminant particles have a greater influence on the near-field properties of high-power laser. Moreover, it is found that in fused silica, the small-scale self-focusing hot-image modulation of high-power laser induced by phase modulated hard-edge contaminant particles is momentous. But the lateral shift of high-power laser beam caused by contaminant particles maybe inhibits the small-scale self-focusing effect to some extent, thereby reducing the laser injury risk of optical component.

Keywords:

Authors and contacts

1.
National Laboratory on High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;
2.
Shanghai Institute of Laser Plasmas, Shanghai 201800, China
Funds: Project supported by the National Natural Science Foundation of China (Grant No. 60707019).

References

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[5]	Peng T, Zhao J L, Xie L P, Ye Z J, Li Q, Su J Q 2007 Acta Phys. Sin. 56 3255 (in Chinese) [彭涛, 赵建林, 谢良平, 叶知隽, 李强, 粟敬钦 2007 物理学报 56 3255]
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[7]	Zhou L D, Su J Q, Li P,WangWY, Liu L Q, Zhang Y, Zhang X M 2011 Acta Phys. Sin. 60 024202 (in Chinese) [周丽丹, 粟敬钦, 李平, 王文义, 刘兰琴张颖, 张小民 2011 物理学报 60 024202]
[8]	Genin F Y, Kozlowski M R, Feit M D 1998 C&MS PROGRESS REPORT-FY97
[9]	Mainguy S, Garrec B L, Josse M 2005 SPIE 5991 599105-3
[10]	Mainguy S, Pecault I T, Garrec B L 2005 SPIE 5991 59910G-1
[11]	Palmier S, Tovena I , Lamaignere L, Rullier J L, Capoulade J, Bertussi B, Natoli J Y, Servant L 2005 SPIE 5991 59910R-1
[12]	Miller P E , Suratwala T I, Wong L L, Feit M D, Menapace J A, Davis P J, Steele R A 2005 SPIE 5991 599101-1 Technology Press) p 417 (in Chinese) 肖纪美, 朱逢吾 1999 材料能量学 (上海: 上海科学技术出版社) 第417

Cited By

[1]	Wen S C and Fan D Y 2000 Acta Phys. Sin. 49 1282 (in Chinese)[文双春, 范滇元 2000 物理学报 49 1282]
[2]	Xie L P, Zhao J L, Su J Q, Jing F, Wang W Y, Peng H S 2004 Acta Phys. Sin. 53 2175 (in Chinese) [谢良平, 赵建林, 粟敬钦, 景峰, 王文义, 彭韩生 2004 物理学报 53 2175]
[3]	Feng Z H , Fu X Q, Zhang L F, Xu HW,Wen S C 2008 Acta Phys. Sin. 57 2253 (in Chinese) [冯则胡, 傅喜泉, 章礼富, 徐慧文, 文双春 2008 物理学报 57 2253]
[4]	Wang YW, Deng J Q ,Wen S C, Tang Z X, Fu X Q, Fan D Y 2009 Acta Phys. Sin. 58 1738 (in Chinese) [ 王友文, 邓剑钦, 文双春, 唐志祥, 傅喜泉, 范滇元 2009 物理学报 58 1738]
[5]	Peng T, Zhao J L, Xie L P, Ye Z J, Li Q, Su J Q 2007 Acta Phys. Sin. 56 3255 (in Chinese) [彭涛, 赵建林, 谢良平, 叶知隽, 李强, 粟敬钦 2007 物理学报 56 3255]
[6]	Zhou L D, Su J Q , Li P, Liu L Q, Wang W Y, Wang F, Mo L, Cheng W Y, Zhang X M 2009 Acta Phys. Sin. 58 6279 (in Chinese) [周丽丹, 粟敬钦, 李平, 刘兰琴, 王文义, 王方, 莫磊, 程文雍, 张小民 2009 物理学报 58 6279]
[7]	Zhou L D, Su J Q, Li P,WangWY, Liu L Q, Zhang Y, Zhang X M 2011 Acta Phys. Sin. 60 024202 (in Chinese) [周丽丹, 粟敬钦, 李平, 王文义, 刘兰琴张颖, 张小民 2011 物理学报 60 024202]
[8]	Genin F Y, Kozlowski M R, Feit M D 1998 C&MS PROGRESS REPORT-FY97
[9]	Mainguy S, Garrec B L, Josse M 2005 SPIE 5991 599105-3
[10]	Mainguy S, Pecault I T, Garrec B L 2005 SPIE 5991 59910G-1
[11]	Palmier S, Tovena I , Lamaignere L, Rullier J L, Capoulade J, Bertussi B, Natoli J Y, Servant L 2005 SPIE 5991 59910R-1
[12]	Miller P E , Suratwala T I, Wong L L, Feit M D, Menapace J A, Davis P J, Steele R A 2005 SPIE 5991 599101-1 Technology Press) p 417 (in Chinese) 肖纪美, 朱逢吾 1999 材料能量学 (上海: 上海科学技术出版社) 第417

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