Laser driven performance of a multilayer flyer with carbon absorption layer

Shaojie Chen; Ruiqi Shen; Lizhi Wu; Yinghua Ye; Yan Hu

doi:10.1117/12.2180882

4 May 2015 Laser driven performance of a multilayer flyer with carbon absorption layer

Shaojie Chen, Ruiqi Shen, Lizhi Wu, Yinghua Ye, Yan Hu

Proceedings Volume 9543, Third International Symposium on Laser Interaction with Matter; 95430W (2015) https://doi.org/10.1117/12.2180882
Event: Third International Symposium on Laser Interaction with Matter, 2014, Jiangsu, China

Abstract

Laser driving flyer technology has been studied for many years and widely used in dynamic high-pressure physics and impact dynamics, rapid initiation of high explosives, simulation of space debris and micro-forming of metal foil. The coupling efficiency between the flyer kinetic energy and the laser energy could be improved by introducing a layer with stronger absorption at the 1064nm wavelength Nd:YAG laser, resulting in higher flyer velocity for a given laser energy. So a multilayer flyer (C/Al/Al₂O₃/Al) with Carbon absorption layer was designed and compared the flyer velocity with the flyer (Al/Al₂O₃/Al) without Carbon absorption layer. The experimental study was performed via the Photonic Doppler Velocimetry (PDV). The results show that the velocity of flyer with Carbon absorption layer rose with fluctuations as laser energy increasing, and was lower than that without Carbon layer at the same laser energy. That means the addition of Carbon absorption layer decreased the flyer coupling efficiency.

Citation Download Citation

Shaojie Chen, Ruiqi Shen, Lizhi Wu, Yinghua Ye, and Yan Hu "Laser driven performance of a multilayer flyer with carbon absorption layer", Proc. SPIE 9543, Third International Symposium on Laser Interaction with Matter, 95430W (4 May 2015); https://doi.org/10.1117/12.2180882

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