We have developed a new type of miniature rocket motor for pointing and positioning microsatellites. A specially prepared tape with a transparent layer, through which the laser light passes, and an absorbing layer produce the thrust by the laser ablation process. We have achieved a specific impulse of 1800 s (greater than possible with chemistry), and laser momentum coupling coefficients of up to 50 dyn/W. The preprototype achieved 68 dyn of thrust. We discuss the target interaction physics and some of our measurements with the preprototype thruster.


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    Title :

    Laser-driven micro-rocket


    Contributors:
    Phipps, C.R. (author) / Luke, J.R. (author) / McDuff, G.G. (author) / Lippert, T. (author)


    Publication date :

    2003


    Size :

    9 Seiten, 22 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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