The miniaturization of high-power laser system, especially the space-based laser system, poses a great threat to the national space security. In this paper, facing the space-based offensive and defensive operations in the future, the features and damaging modes of high-power laser system as well as the conventional laser protection technologies of spacecraft are analyzed. On this basis, a novel multilayer protective armor is proposed, which can significantly improve the survivability of spacecraft under the high-power laser beam. Furthermore, a physical-informed deep surrogate model for the temperature field reconstruction is also studied to achieve the laser spots detection within second, helping the on-orbit spacecraft to implement the evasive maneuver. The results of this work can help enhance national space safety level.


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    Title :

    Thermal isolation and thermal sensing technologies of spacecraft under laser irradiation


    Contributors:
    Li, Xingchen (author) / Lu, Wei (author) / Ding, Ye (author) / Li, Jian (author) / Gong, Zhiqiang (author) / Yang, Zhen (author)

    Conference:

    Seventh Asia Pacific Conference on Optics Manufacture (APCOM 2021) ; 2021 ; Hong Kong,Hong Kong


    Published in:

    Proc. SPIE ; 12166


    Publication date :

    2022-02-15





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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