Precision pointing mechanism for intersatellite optical communication

Details Precision pointing mechanism for intersatellite optical communication Precision pointing mechanism for intersatellite optical communication

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1111..289h&link_type=abstract

IN: Acquisition, tracking, and pointing III; Proceedings of the Meeting, Orlando, FL, Mar. 27-29, 1989 (A90-39001 17-17). Bellin

Computer Science

Performance

Optical Communication, Pointing Control Systems, Satellite Communication, Satellite-To-Satellite Tracking, Control Systems Design, Satellite Networks, Satellite Orbits, Semiconductor Lasers

Scientific paper

The SILEX project is an experimental communication system aimed at demonstrating, in orbit, the feasibility of intersatellite optical communications using semiconductor lasers. As part of this project, a precision mechanism has been developed to point the transmitted beam ahead of the current receiving satellite position. This is necessary due to the relative motion of the satellites, the narrow beam, and the finite velocity of light. The design and construction of a prototype of this device is discussed along with measurements of performance. The technique as described can be used in many applications requiring precision beam steering or rotation control.

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