A laser-accelerated flyer system

被引：39
作者：
Greenaway, MW
Proud, WG
Field, JE
Goveas, SG
机构：
[1] Univ Cambridge, Cavendish Lab, PCS Grp, Cambridge CB3 0HE, England
[2] AWE, Reading RG7 4PR, Berks, England
来源：
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING | 2003年 / 29卷 / 1-10期
关键词：
laser; flyer; miniature; high-speed photography;
D O I：
10.1016/j.ijimpeng.2003.09.027
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A system has been developed for the launch of miniature flyer plates, achieving velocities approaching 10 km/s. Laser-induced plasma is used to drive these flyers which are typically less than 1 mm in diameter and a few mum thick. High-speed streak photography was used to measure the key parameters of the flyers as a function of launch energy, mass and distance travelled. A fibre-optic beam shaping system has proved highly effective at manipulating the shape of the flyers and excellent reproducibility is found. Furthermore, a technique based on bi-layered films was found to significantly increase the performance of the system. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：317 / 321
页数：5
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