Experimental research on laser-driven flyer plates up to 8km/s

Niu Jin-chao; Gong Zi-zheng; Cao Yan; Dai Fu; Yang Ji-yun; Li Yu

doi:10.11883/1001-1455(2014)02-0129-08

Volume 34 Issue 2

May 2014

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Niu Jin-chao, Gong Zi-zheng, Cao Yan, Dai Fu, Yang Ji-yun, Li Yu. Experimental research on laser-driven flyer plates up to 8km/s[J]. Explosion And Shock Waves, 2014, 34(2): 129-136. doi: 10.11883/1001-1455(2014)02-0129-08

Citation:

Niu Jin-chao, Gong Zi-zheng, Cao Yan, Dai Fu, Yang Ji-yun, Li Yu. Experimental research on laser-driven flyer plates up to 8km/s[J]. Explosion And Shock Waves, 2014, 34(2): 129-136. doi: 10.11883/1001-1455(2014)02-0129-08

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Experimental research on laser-driven flyer plates up to 8km/s

doi: 10.11883/1001-1455(2014)02-0129-08

1.
Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China
2.
School of Applied Physics and Materials, Wuyi University, Jiangmen 529020, Guangdong, China

Funds: Supported bythe National Basic Research Program of China (973 Program) (2010CB731600)

More Information

Corresponding author: Gong Zi-zheng, gongzz@263.net
Received Date: 2012-08-28
Rev Recd Date: 2013-03-27
Publish Date: 2014-03-25

Abstract

Abstract

Aimed to the laser-driven flyer plate technique, laser-driven flyer experiments were conducted by using single pulsed laser beams at 1 064nm, of 15ns duration and up to 2Jenergy to explore the influences of the laser energy profiles as well as the mechanical properties of the metal foils on the velocities and integrities of the flyers.The experimental results indicate that the laser beams with "top hat" energy profiles are key and important base to launch the flyers with good qualities.There exists a good matching among the adhesion of the foil to the glass substrate, the shear strength and tenacity of the foil, for obtaining a high-velocity and good-integrity flyer.By using the combined flyer target with a thin layer of chromium sandwiched between the aluminum foil and the glass substrate, the aluminum flyers with 1mm in diameter and 3μm in thickness were accelerated to 8km/s, and the experimental repeatabilities were good.
- mechanics of explosion,
- mechanical properties of metal foil,
- laser energy profile,
- laserdriven flyer plates,
- velocity and integrity of flyer

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References(23)

References

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