Projections of the growth of earth-sensing systems for the latter half of the 1980's show a data transmission requirement of 300 Mbps and above. Mission constraints and objectives lead to the conclusion that the most efficient technique to return the data from the sensing satellite to a ground station is through a geosynchronous data relay satellite. Of the two links that are involved (sensing satellite to relay satellite and relay satellite to ground), a laser system is most attractive for the space-to-space link. During 1975 a major step toward the development of CO2 laser systems for space-to-space applications is being completed. This step is the completion of a 300 Mbps data relay receiver and its modification into a transceiver. The technology and state-of-the-art of such systems are described in detail in this paper.


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    Title :

    Spaceborne CO2 laser communications systems


    Contributors:

    Conference:

    EASCON ''75; Electronics and Aerospace Systems Convention ; 1975 ; Washington, DC


    Publication date :

    1975-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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