A modified illumination system for a line-imaging optically recording velocity interferometer and its application in equation of state measurement

被引：11

作者：

Shu, Hua ^{[1
]}

Fu, Sizu ^{[1
]}

Huang, Xiuguang ^{[1
]}

Wu, Jiang ^{[1
]}

Zhou, Huazhen ^{[1
]}

Ye, Junjian ^{[1
]}

机构：

[1] Shanghai Inst Laser Plasma, Shanghai 201800, Peoples R China

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 2012年 / 23卷 / 01期

关键词：

VISAR; equation of state; impedance-match; laser; SHOCK-WAVES;

D O I：

10.1088/0957-0233/23/1/015203

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A line-imaging optically recording velocity interferometer system (L-ORVIS) fitting the high-strain rate motion of solids as in shock wave experiments requires a high power single-mode laser. We have put forward a new illumination method which can increase threefold the luminosity of such a diagnostic. A modified illumination system is applied to the L-ORVIS which was implemented at 'Shenguang-II' laser facility. The modified L-ORVIS is applied to laser-driven shock wave experiments and platinum Hugoniots were obtained at both high pressure and low pressure.

引用

页数：5

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