Status of the European developments for laser intersatellite communications

Alexandru F. Popescu; Bernhard Furch

doi:10.1117/12.149239

6 August 1993 Status of the European developments for laser intersatellite communications

Alexandru F. Popescu, Bernhard Furch

Proceedings Volume 1866, Free-Space Laser Communication Technologies V; (1993) https://doi.org/10.1117/12.149239
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

The European Space Agency ESA is developing an optical inter-orbit communication system enabling a link between a low-Earth orbiting (LEO) and a geostationary spacecraft (GEO). This so-called SILEX system allows a transmission of 50 Mbps from LEO to GEO in an experimental and pre-operational mode. The system uses GaAlAs laser diodes operating at 60 mW average power and direct detection. Both terminals are in phase C/D. The terminals will be launched on board the ESA satellite ARTEMIS and the French satellite SPOT 4 with nominal launch dates in 1996 and 1995, respectively. A fully operational data relay satellite DRS 1 will be launched in 1999 to complement the European data relay infrastructure. Apart from the SILEX project the Agency has investigated advanced system concepts to optimize the terminals and to fulfill the data rate requirements of future Earth observation instruments. Results of system studies and ongoing R&D activities in the areas of high-power Nd:YAG lasers and coherent receivers are presented.

Citation Download Citation

Alexandru F. Popescu and Bernhard Furch "Status of the European developments for laser intersatellite communications", Proc. SPIE 1866, Free-Space Laser Communication Technologies V, (6 August 1993); https://doi.org/10.1117/12.149239

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