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Proceedings Article

Phase diffuser at the transmitter for lasercom link: effect of partially coherent beam on the bit-error rate

[+] Author Affiliations
Olga Korotkova, Larry C. Andrews

Univ. of Central Florida (USA)

Ronald L. Phillips

Florida Space Institute (USA)

Proc. SPIE 4976, Atmospheric Propagation, 70 (April 30, 2003); doi:10.1117/12.473178
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From Conference Volume 4976

  • Atmospheric Propagation
  • Cynthia Y. Young; John S. Stryjewski
  • San Jose, CA | January 25, 2003

abstract

By using a complex phase screen model for a diffuser located at the transmitter, analytic expressions are developed for the scintillation index of a lowest order Gaussian-beam wave in the pupil plane of the receiver in weak and strong atmospheric conditions. The effect of partial coherence on the scintillation index is analyzed as a function of the propagation distance and the correlation length of the diffuser. The reduction in the scintillation level is shown under all atmospheric conditions. The signal to noise ratio and the bit error rates are discussed.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Olga Korotkova ; Larry C. Andrews and Ronald L. Phillips
"Phase diffuser at the transmitter for lasercom link: effect of partially coherent beam on the bit-error rate", Proc. SPIE 4976, Atmospheric Propagation, 70 (April 30, 2003); doi:10.1117/12.473178; http://dx.doi.org/10.1117/12.473178


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