A THIN-FILM HUGONIOT MEASUREMENT USING A LASER-DRIVEN FLYER PLATE

被引：9
作者：
Fujiwara, Hiroki [1 ]
Brown, Kathryn E. [1 ]
Dlott, Dana D. [1 ]
机构：
[1] Univ Illinois, Sch Chem Sci, Urbana, IL 61801 USA
来源：
SHOCK COMPRESSION OF CONDENSED MATTER - 2011, PTS 1 AND 2 | 2012年 / 1426卷
关键词：
laser-driven flyer; Hugoniot; polymer;
D O I：
10.1063/1.3686298
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A method is described where a tabletop laser-driven flyer plate apparatus using similar to 8 ns launching pulses from a Nd:YAG laser is used to determine the Hugoniot of a thin layer of transparent materials impacted by 25 mu m thick flyers moving up to 2 km/s, producing shocks that were fully supported for 8 ns. In this method, a high-speed 8 GHz fiberoptic displacement interferometer looks through the transparent sample, which has an ultrathin 50% reflecting mirror deposited on its surface, to simultaneously measure Us and Up on a single shot. The initial results obtained on a 31 mu m thick film of PMMA were in excellent agreement with the Hugoniot literature.
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页数：4
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