Orbital debris in low Earth orbit (LEO) are now sufficiently dense that the use of space is threatened by runaway collision cascading. A problem predicted more than thirty years ago, the threat from debris larger than about 1cm is now a reality that we ignore at our peril. The least costly, and most comprehensive, solution is Laser Orbital Debris Removal (LODR). In this approach, a high power pulsed laser on the Earth creates a laser‐ablation jet on the debris object's surface which provides the small impulse required to cause it to re‐enter and burn up in the atmosphere. The LODR system should be located near the Equator, and includes the laser, a large, agile mirror, and systems for active detection, tracking and atmospheric path correction. In this paper, we discuss advances that have occurred since LODR was first proposed, which make this solution to the debris problem look quite realistic.


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    Title :

    What's New for Laser Orbital Debris Removal


    Contributors:

    Conference:

    BEAMED ENERGY PROPULSION: Seventh International Symposium ; 2011 ; Ludwigsburg, (Germany)


    Published in:

    AIP Conference Proceedings ; 1402 , 1 ; 339-346


    Publication date :

    2011-11-10


    Size :

    8 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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