For a number of years Contraves Space AG and the European Space Agency have
been leading the development of Optical Inter-Satellite Link (OISL) techno
logy within Europe. This was recognized in 1998 through the selection of a
Contraves terminal by Motorola for the Celestri system. Since then Contrave
s Space has been involved in the design of higher capacity terminals target
ed at broadband satellite telecommunication systems. Currently Contraves Sp
ace AG is focussing their activities in developing a terminal for midrange
(5000 km to 25 000) GEO to GEO applications.