This paper reviews the basic concepts of laser propulsion and summarizes work done to date using a 10 kW device. The paper describes a candidate megawatt class CO2 laser system which can be scaled relatively near-term to multi-megawatt power levels using demonstrated technology. Such a system would potentially be capable of launching micro-satellites into low earth orbits (LEO) at relatively low cost. Our projections indicate that payloads of about 1kg/megawatt are achievable. The long wavelength of a CO2 laser will require the use of a large aperture telescope and/or large effective beam capture area for the lift vehicle. We believe that these limitations, not withstanding, rep-pulsed CO2 in a blow-down configuration lasting 200-300 seconds could achieve the desired propulsion objectives. The laser would use a helium-free, nitrogen/carbon dioxide mixture to provide a very cost effective fuel.


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    Titel :

    Launching of microsatellites using ground-based high-power pulsed lasers (Plenary Paper)


    Beteiligte:
    Hasson, Victor H. (Autor:in) / Mead, Franklin B. (Autor:in) / Larson, C. W. (Autor:in) / Chou, Hsian P. (Autor:in)

    Kongress:

    High-Power Laser Ablation V ; 2004 ; Taos,New Mexico,United States


    Erschienen in:

    Erscheinungsdatum :

    20.09.2004





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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