We report on engineering trades that led to the conceptual design of a laser communications terminal for a spacecraft orbiting Mars. The flight terminal, the ground receiver and the ground transmitter subsystems are described. The designed system is capable of 0.25 Gb/s downlink data-rate, 0.3 Mb/s uplink data-rate, and ranging with a 30 cm precision when the distance to the flight terminal is the Earth-Mars close range (0.42 AU).


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    Title :

    Deep-space optical terminals


    Contributors:
    Hemmati, H (author) / Farr, W H (author) / Biswas, A (author) / Birnbaum, K M (author) / Roberts, W T (author) / Quirk, K (author) / Townes, S (author)


    Publication date :

    2011-05-01


    Size :

    269067 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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