Laser beam propagation in opaque liquids

被引：1
|
作者：
Dolgaev, SI [1 ]
Simakin, AV [1 ]
Shafeev, GA [1 ]
机构：
[1] Russian Acad Sci, Inst Gen Phys, Wave Res Ctr, Moscow 119991, Russia
来源：
LASER PROCESSING OF ADVANCED MATERIALS AND LASER MICROTECHNOLOGIES | 2003年 / 5121卷
关键词：
beam-liquid; interaction; refractive indices;
D O I：
10.1117/12.513812
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We experimentally studied the transmission of the Er3+:YAG laser radiation (lambda = 2.94 mum) by strongly absorbing liquids in the mode of free running. The radiation was shown to pass through liquids due to the development of a channel, produced by the laser pulse itself. The transmittances of water, ethanol, and glycerin were studied depending on the laser pulse energy and liquid layer thickness. It was also shown that in the case of oblique incidence of the laser beam, the channel propagates in liquid, slightly deflecting from the beam axis, which is caused by nearly equal refractive indices of air and vapor in the channel. It was found that the beam-liquid interaction is accompanied by a liquid jet directed outwards from its free surface.
引用
收藏
页码：56 / 63
页数：8
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