Active pointing for terrestrial free-space optics

G. Stephen Mecherle; Robert T. Carlson; P. Bandera

doi:10.1117/12.483833

3 July 2003 Active pointing system for terrestrial free-space optics

G. Stephen Mecherle, Robert T. Carlson, P. Bandera

Proceedings Volume 4975, Free-Space Laser Communication Technologies XV; (2003) https://doi.org/10.1117/12.483833
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

Fixed-pointed Free Space Optics (FSO) systems must use beamwidths that are broadened sufficiently to account for building motion, wind loading, and other pointing instabilities. Actively pointed systems can potentially use beamwidths more than an order of magnitude narrower for 20 dB or more additional link margin. Pointing requirements and general tradeoffs with regard to active pointing are discussed, and the specific approach selected for fSONA's actively pointed FSO design is described.

Citation Download Citation

G. Stephen Mecherle, Robert T. Carlson, and P. Bandera "Active pointing system for terrestrial free-space optics", Proc. SPIE 4975, Free-Space Laser Communication Technologies XV, (3 July 2003); https://doi.org/10.1117/12.483833

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