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Proceedings Paper

Optical inter-satellite links based on homodyne BPSK modulation: heritage, status, and outlook
Author(s): Robert Lange; Berry Smutny
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Paper Abstract

For a number of reasons homodyne BPSK (binary phase shift keying) is superior to all other optical modulation schemes. Since BPSK has been verified as a reliable technique for space applications, laser communication terminals based on this modulation scheme are ready for in-orbit verification, which is the goal of the running LCTSX program. With this, an optical satellite-to-ground link shall be established to verify the impact the atmosphere has on a homodyne BPSK based communication link as well as the pointing and tracking performance of a laser communication terminal. In a follow-on program, an optical inter-satellite link will be established to verify the communication performance.

Paper Details

Date Published: 18 April 2005
PDF: 12 pages
Proc. SPIE 5712, Free-Space Laser Communication Technologies XVII, (18 April 2005); doi: 10.1117/12.593711
Show Author Affiliations
Robert Lange, Tesat-Spacecom GmbH & Co. KG (Germany)
Berry Smutny, Tesat-Spacecom GmbH & Co. KG (Germany)


Published in SPIE Proceedings Vol. 5712:
Free-Space Laser Communication Technologies XVII
G. Stephen Mecherle, Editor(s)

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