The European Space Agency (ESA) and trends is developing an optical inter-orbit communication system enabling a link between a low earth orbiting (LEO) and a geostationary (GEO) spacecraft. The link allows the transmission of 50 Mbps between LEO and GEO in an experimental and pre-operational mode. The system uses laser diodes of typically 100 mW optical power at a wavelength of 830 nanometer. Direct intensity modulation is applied. Telescopes of 25 cm diameter are used on both terminals. The breadboard phase has been completed and the launch of both terminals is scheduled for 1994. Other concepts for optical space communication links using Nd:YAG lasers and heterodyne receive systems are outlined.


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    Titel :

    The European SILEX project and other advanced concepts for optical space communications


    Weitere Titelangaben:

    Das europäische SILEX-Projekt und andere fortgeschrittene Konzepte für optische Weltraumnachrichtentechniken


    Beteiligte:
    Oppenhäuser, G. (Autor:in) / Wittig, M. (Autor:in) / Popescu, A. (Autor:in)


    Erscheinungsdatum :

    1991


    Format / Umfang :

    12 Seiten, 6 Bilder, 2 Tabellen, 19 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    SILEX: overview on the European optical communications programme

    Laurent, B. / International Astronautical Federation| International Academy of Astronautics| International Institute of Space Law | British Library Conference Proceedings | 1995




    Invited Paper: Inter-satellite optical communications: from SILEX to next generation systems

    Laurent, B. / Planche, G. / Michel, C. et al. | British Library Conference Proceedings | 2004


    SILEX in-orbit performances

    Planche, G. / Chorvalli, V. / European Space Agency | British Library Conference Proceedings | 2004