The characteristics of confined ablation in laser propulsion

doi:10.1088/1009-1963/15/3/023

中国物理B ›› 2006, Vol. 15 ›› Issue (3): 580-584.doi: 10.1088/1009-1963/15/3/023

The characteristics of confined ablation in laser propulsion

郑志远¹, 张杰¹, 郝作强¹, 张喆¹, 鲁欣¹, 王兆华¹, 魏志义¹, 远晓辉²

(1)Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; (2)Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;State Key Laboratory of Transient Optics Technology, Chinese Academy of Sciences, Xi'an 710068, China

收稿日期:2005-04-06 修回日期:2005-11-07 出版日期:2006-03-20 发布日期:2006-03-20
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos 10374116 and 60321003) and the National High Technology Inertial Confinement Fusion Foundation of China.

The characteristics of confined ablation in laser propulsion

Zheng Zhi-Yuan (郑志远)^a, Zhang Jie (张杰)^a, Hao Zuo-Qiang (郝作强)^a, Yuan Xiao-Hui (远晓辉)^ab, Zhang Zhe (张喆)^a, Lu Xin (鲁欣)^a, Wang Zhao-Hua (王兆华)^a, Wei Zhi-Yi (魏志义)^a

^a Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; ^b State Key Laboratory of Transient Optics Technology, Chinese Academy of Sciences, Xi'an 710068, China

Received:2005-04-06 Revised:2005-11-07 Online:2006-03-20 Published:2006-03-20
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos 10374116 and 60321003) and the National High Technology Inertial Confinement Fusion Foundation of China.

摘要/Abstract

摘要： Compared with direct ablation, confined ablation provides an effective way to obtain a large target momentum and a high coupling coefficient. By using a transparent glass layer to cover the target surface, the coupling coefficient is enhanced by an order of magnitude. With the increase of the gap width between the target surface and the cover layer, the coupling coefficient exponentially decreases. It is found that the coupling coefficient is also related to the thickness of the cover layer.

关键词: laser plasma, propulsion, confinement ablation

Abstract: Compared with direct ablation, confined ablation provides an effective way to obtain a large target momentum and a high coupling coefficient. By using a transparent glass layer to cover the target surface, the coupling coefficient is enhanced by an order of magnitude. With the increase of the gap width between the target surface and the cover layer, the coupling coefficient exponentially decreases. It is found that the coupling coefficient is also related to the thickness of the cover layer.

Key words: laser plasma, propulsion, confinement ablation

中图分类号: (Ion and plasma propulsion)

52.75.Di

52.38.Mf (Laser ablation) 52.25.-b (Plasma properties)

郑志远, 张杰, 郝作强, 远晓辉, 张喆, 鲁欣, 王兆华, 魏志义. The characteristics of confined ablation in laser propulsion[J]. 中国物理B, 2006, 15(3): 580-584.

Zheng Zhi-Yuan (郑志远), Zhang Jie (张杰), Hao Zuo-Qiang (郝作强), Yuan Xiao-Hui (远晓辉), Zhang Zhe (张喆), Lu Xin (鲁欣), Wang Zhao-Hua (王兆华), Wei Zhi-Yi (魏志义). The characteristics of confined ablation in laser propulsion[J]. Chinese Physics, 2006, 15(3): 580-584.

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The characteristics of confined ablation in laser propulsion

The characteristics of confined ablation in laser propulsion

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