纳秒激光烧蚀冲量耦合数值模拟

常浩; 金星; 陈朝阳

doi:10.7498/aps.62.195203

摘要

为研究激光烧蚀靶产生冲量过程和机理, 建立了一个复杂的一维热传导和流体动力学模型. 以空间碎片常见材料Al为例, 用建立的模型数值计算了纳秒脉宽激光烧蚀靶产生的冲量及冲量耦合系数随时间变化情况. 数值结果和已有的实验数据符合的较好. 数值计算表明: 激光脉冲时间内, 靶获得的冲量随时间迅速增加, 在脉冲时间结束后, 冲量变化随时间趋于稳定; 在冲量耦合过程中, 烧蚀等离子体向真空膨胀, 羽流尺度逐渐增大, 同时吸收入射激光能量, 导致激光与靶耦合的能量降低.

关键词:

Abstract

To investigate the process and mechanism of the impulse generation of laser ablation target, a comprehensive model including one-dimensional heat conduction and fluid dynamics is developed. The target Al, the most common space debris material, is used based on the proposed numerical model in the calculation of ns laser pulse ablation impulse and impulse coupling coefficient as a function of time. Numerical results agree well with experimental data available. Numerical simulations show that, during the laser pulse the impulse the target gained increases greatly with time; after the laser pulse terminates, the impulse tends to be stable with time. In the process of laser impulse coupling, the laser ablation plasma expands into vacuum and its size also gradually increases; meanwhile the plasma plume absorbs the incident laser energy and leads to the reduction in the laser energy deposited onto the target.

Keywords:

作者及机构信息

1.
装备学院, 激光推进及其应用国家重点实验室, 北京 101416;

2.
北京化工大学, 物理学院, 北京 100029

基金项目: 国家自然科学基金(批准号:11102234)资助的课题.

Authors and contacts

1.
State Key Laboratory of Laser Propulsion & Application, the Academy of Equipment, Beijing 101416, China;

2.
Department of Physics, Beijing University of Chemical Technology, Beijing 100029, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 11102234).

参考文献

[1]	Campbell J W 1996 NASA technical memorandum 108522
[2]	Phipps C R, Albrecht G, Friedman H, Gavel D, George E V, Murray J, Ho C, Priedhorsky W, Michaelis M M, Reilly J P 1996 Laser and particle beams 14 1
[3]	Rubenchik A, Barty C, Beach R 2010 LLNL-PROC 423323
[4]	Early J T, Bibeau C, Phipps C R 2004 High-Power Laser Ablation V Taos, NM, United States, April 25-30, 2004 p441
[5]	Bruno Esmiller, Christophe Jacquelard 2011 Beamed Energ Propulsion: Seventh International Symposium Ludwigsburg, Germany, April 10-14, 2011 p347
[6]	Jin X, Hong Y J, Li X Q 2012 High Power Laser and Particle Beams 24 281 (in Chinese) [金星, 洪延姬, 李修乾 2012 强激光与粒子束 24 281]
[7]	Jin X, Chang H, Hong Y J, Li X Q 2012 High Power Laser and Particle Beams 24 1956 (in Chinese) [金星, 常浩, 洪延姬, 李修乾 2012 强激光与粒子束 24 1956]
[8]	Chang H, Jin X, Hong Y J 2012 Acta Aeronautica et Astronautical Sinica 33 984 (in Chinese) [常浩, 金星, 洪延姬 2012 航空学报 33 984]
[9]	Phipps C R, Luke J R, Lippert T 2004 Appl. Phys. A 79 1385
[10]	Bogaerts A, Zhaoyang Chen, Renaat G, Akos V 2003 Spectro chimica Acta 58 1867
[11]	Chen Z Y, Annemie Bogaerts 2005 J. Appl. Phys. 97 063305
[12]	Annemie Bogaerts, Chen Z Y, David Bleiner 2006 Journal of Analytical Atomic Spectrometry 21 384
[13]	Autrique D, Zhaoyang Chen, Alexiades V, Bogaerts A, Rethfeld B 2012 International Symposium on High Power Laser Ablation New Mexico, USA, April 30-May 3 2012 p648
[14]	Phipps C R, Birkan M, Bohn W L 2010 Journal of Propulsion and Power 26 609
[15]	Madhusudhan Kundrapu, Michael Keidar 2009 J. Appl. Phys. 105 083302
[16]	Gusarov A V, Gnedovets A G, Smurov I 2000 J. Appl. Phys. 88 4352
[17]	Takeharu Sakai 2009 Journal of Propulsion and Power 25 406
[18]	Kohei Anju, Keisuke Sawada, Akihiro Sasoh 2008 Journal of Propulsion and Power 24 322
[19]	Saravanakanthan Rajendran, Michael Keidar, Iain D B 2007 38th AIAA Plasmadynamics and lasers conference Miami, Florida, United States June 25-28 2007 p1
[20]	Zhang P B, Qin Y, Zhao J J, Wen B 2010 Acta Phys. Sin. 59 7120 (in Chinese) [张朋波, 秦颖, 赵纪军, 温斌 2010 物理学报 59 7120]

施引文献

[1]	Campbell J W 1996 NASA technical memorandum 108522
[2]	Phipps C R, Albrecht G, Friedman H, Gavel D, George E V, Murray J, Ho C, Priedhorsky W, Michaelis M M, Reilly J P 1996 Laser and particle beams 14 1
[3]	Rubenchik A, Barty C, Beach R 2010 LLNL-PROC 423323
[4]	Early J T, Bibeau C, Phipps C R 2004 High-Power Laser Ablation V Taos, NM, United States, April 25-30, 2004 p441
[5]	Bruno Esmiller, Christophe Jacquelard 2011 Beamed Energ Propulsion: Seventh International Symposium Ludwigsburg, Germany, April 10-14, 2011 p347
[6]	Jin X, Hong Y J, Li X Q 2012 High Power Laser and Particle Beams 24 281 (in Chinese) [金星, 洪延姬, 李修乾 2012 强激光与粒子束 24 281]
[7]	Jin X, Chang H, Hong Y J, Li X Q 2012 High Power Laser and Particle Beams 24 1956 (in Chinese) [金星, 常浩, 洪延姬, 李修乾 2012 强激光与粒子束 24 1956]
[8]	Chang H, Jin X, Hong Y J 2012 Acta Aeronautica et Astronautical Sinica 33 984 (in Chinese) [常浩, 金星, 洪延姬 2012 航空学报 33 984]
[9]	Phipps C R, Luke J R, Lippert T 2004 Appl. Phys. A 79 1385
[10]	Bogaerts A, Zhaoyang Chen, Renaat G, Akos V 2003 Spectro chimica Acta 58 1867
[11]	Chen Z Y, Annemie Bogaerts 2005 J. Appl. Phys. 97 063305
[12]	Annemie Bogaerts, Chen Z Y, David Bleiner 2006 Journal of Analytical Atomic Spectrometry 21 384
[13]	Autrique D, Zhaoyang Chen, Alexiades V, Bogaerts A, Rethfeld B 2012 International Symposium on High Power Laser Ablation New Mexico, USA, April 30-May 3 2012 p648
[14]	Phipps C R, Birkan M, Bohn W L 2010 Journal of Propulsion and Power 26 609
[15]	Madhusudhan Kundrapu, Michael Keidar 2009 J. Appl. Phys. 105 083302
[16]	Gusarov A V, Gnedovets A G, Smurov I 2000 J. Appl. Phys. 88 4352
[17]	Takeharu Sakai 2009 Journal of Propulsion and Power 25 406
[18]	Kohei Anju, Keisuke Sawada, Akihiro Sasoh 2008 Journal of Propulsion and Power 24 322
[19]	Saravanakanthan Rajendran, Michael Keidar, Iain D B 2007 38th AIAA Plasmadynamics and lasers conference Miami, Florida, United States June 25-28 2007 p1
[20]	Zhang P B, Qin Y, Zhao J J, Wen B 2010 Acta Phys. Sin. 59 7120 (in Chinese) [张朋波, 秦颖, 赵纪军, 温斌 2010 物理学报 59 7120]

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