Laser communication terminals: a key building block for the new broadband satellite networks

Klaus Pribil

doi:10.1117/12.321883

16 September 1998 Laser communication terminals: a key building block for the new broadband satellite networks

Klaus Pribil

Proceedings Volume 3408, Broadband European Networks and Multimedia Services; (1998) https://doi.org/10.1117/12.321883
Event: SYBEN-Broadband European Networks and Electronic Image Capture and Publishing, 1998, Zurich, Switzerland

Abstract

In the near future, satellite networks will be an essential part of the upcoming Global Information Infrastructure (GII). These satellites will be interconnected by high bandwidth inter-satellite-links using lasercomm technology. Contraves Space has designed a family of lasercomm terminals for different satellite network topologies but based on common technology key elements: (1) Coherent Syncbit data transmission scheme for highest receiver sensitivity and, hence, best system efficiency. (2) Laser diode pumped solid state lasers for best reliability figures. (3) A combined coherent receiver-frontend and coherent tracking sensor for sun outage-free operation. As a first terminal the SROIL (Short-Range-Optical Inter-Satellite-Link-Terminal) was completed in 1997 and undergoes currently an extensive phase. Two SROIL terminals will be embarked in 1999 on two LEO spacecrafts and perform a full high data rate transmission demonstration in-orbit.

Citation Download Citation

Klaus Pribil "Laser communication terminals: a key building block for the new broadband satellite networks", Proc. SPIE 3408, Broadband European Networks and Multimedia Services, (16 September 1998); https://doi.org/10.1117/12.321883

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