19 October 2016 The shape effect of space debris on recoil impulse by pulsed laser ablation
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Proceedings Volume 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration; 101520E (2016) https://doi.org/10.1117/12.2245326
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
Removing space debris by high-energy pulsed laser may be the most effective way to mitigate the threat posed by the increasing space debris. Laser ablation of a thin surface layer causes recoil impulse, which will lower the orbit perigee of space debris and accelerate the atmospheric capture. When the laser beam vertically irradiates a flat debris, it requires a certain laser fluence to reach the optimal impulse coupling, and the recoil impulse is parallel to the laser beam. However, the incident laser fluence varies in different parts of a non-flat surface. We have taken the shape effect into account to propose a numerical method of calculating the recoil impulse. Taking cylinder debris as the target, we have compared the recoil impulse in different laser fluences through simulation experiments, which implies that a higher laser fluence than the optimal one is needed to obtain a larger recoil impulse for irregularly shaped space debris.
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Chenglin Wang, Chenglin Wang, Yan Zhang, Yan Zhang, Kunpeng Wang, Kunpeng Wang, } "The shape effect of space debris on recoil impulse by pulsed laser ablation", Proc. SPIE 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration, 101520E (19 October 2016); doi: 10.1117/12.2245326; https://doi.org/10.1117/12.2245326
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