15 March 2016 The Tesat transportable adaptive optical ground station
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Abstract
Tesat together with Synopta have built a Transportable Adaptive Optical Ground Station (TAOGS) under contract of German Aerospace Center DLR for communication with the 1st and 2nd generation of Tesat’s spaceborne Laser Communication Terminals (LCTs), which employ coherent homodyne optical communication with 1064 nm and binary phase shift keying (BPSK) modulation. The TAOGS is able to communicate with space segments on low earth orbit (LEO, high pointing and tracking dynamics, 5.625 Gbps), and with space segments on geostationary orbit (GEO, low pointing dynamics, up to 40,000 km distance, optical data rate of 2.8125 Gbps and user data rate of 1.8 Gbps). After an alignment and testing phase at the location of Izana, Tenerife, using the TDP1 LCT on geostationary Alphasat as counter terminal, the TAOGS is now fully functioning. Several up-links, down-links and bi-directional links have been performed. Experimental results of some of these links are presented. An outlook to further activities is given.
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Karen Saucke, Christoph Seiter, Frank Heine, Mark Gregory, Daniel Tröndle, Edgar Fischer, Thomas Berkefeld, Mikael Feriencik, Marco Feriencik, Ines Richter, Rolf Meyer, "The Tesat transportable adaptive optical ground station", Proc. SPIE 9739, Free-Space Laser Communication and Atmospheric Propagation XXVIII, 973906 (15 March 2016); doi: 10.1117/12.2218275; https://doi.org/10.1117/12.2218275
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