The effect of self-focusing on laser space-debris cleaning

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机构：
[1] Rubenchik, Alexander M.
[2] 2,Fedoruk, Michail P.
[3] 3,Turitsyn, Sergei K.
来源：
Turitsyn, S.K. (s.k.turitsyn@aston.ac.uk) | 1600年 / Nature Publishing Group卷 / 03期
关键词：
Defocusing - Ground-based lasers - Laser intensities - Laser parameters - Self-focus - Self-focusing;
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摘要：
A ground-based laser system for space-debris cleaning will use powerful laser pulses that can self-focus while propagating through the atmosphere. We demonstrate that for the relevant laser parameters, this self-focusing can noticeably decrease the laser intensity on the target. We show that the detrimental effect can be, to a great extent, compensated for by applying the optimal initial beam defocusing. The effect of laser elevation on the system performance is discussed. © 2014 CIOMP.
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