冲量耦合系数对激光辐照空间碎片冲量矢量的影响

为了精确地研究全覆盖条件下高能脉冲激光辐照空间碎片的冲量矢量的特性, 在假设烧蚀阈值系数、激光入射能量密度和冲量耦合系数随到靶能量密度线性变化的基础上, 提出了精细描述冲量耦合系数的处理方法, 进一步完善了冲量矢量的数值计算方法。以圆柱体碎片为例, 通过仿真实验, 从不同角度分析了冲量耦合系数对冲量矢量的影响, 并指出适当提高激光入射能量密度能够显著增大冲量矢量。

Abstract

In order to precisely examine the feature of impulse vector driven by high-energy pulsed laser irradiating space debris, on the basis of assuming linear variations of ablation threshold coefficient, incident laser fluence, and impulse coupling coefficient with the on-target laser fluence, a treatment scheme is proposed to elaborately describe the impulse coupling coefficient, and the numerical calculation method of impulse vector is further improved. By taking cylinder debris as an example and referring to simulation experiment, the effect of impulse coupling coefficient on impulse vector is analyzed from different perspectives, and it is pointed out that moderately increasing the incident laser fluence can significantly increase the impulse vector.

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王成林, 张艳, 王鲲鹏. 冲量耦合系数对激光辐照空间碎片冲量矢量的影响[J]. 激光与光电子学进展, 2016, 53(12): 121404. Wang Chenglin, Zhang Yan, Wang Kunpeng. Effect of Impulse Coupling Coefficient on Impulse Vector of Laser Irradiating Space Debris[J]. Laser & Optoelectronics Progress, 2016, 53(12): 121404.

冲量耦合系数对激光辐照空间碎片冲量矢量的影响

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