Influence of atmospheric turbulence on coupling space light into single mode fiber

xiang jing-song; chen yan; hu yu

Volume 18 Issue 03

Mar. 2006

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xiang jing-song, chen yan, hu yu. Influence of atmospheric turbulence on coupling space light into single mode fiber[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

xiang jing-song, chen yan, hu yu. Influence of atmospheric turbulence on coupling space light into single mode fiber[J]. High Power Laser and Particle Beams, 2006, 18.

xiang jing-song, chen yan, hu yu. Influence of atmospheric turbulence on coupling space light into single mode fiber[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

xiang jing-song, chen yan, hu yu. Influence of atmospheric turbulence on coupling space light into single mode fiber[J]. High Power Laser and Particle Beams, 2006, 18.

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Influence of atmospheric turbulence on coupling space light into single mode fiber

1.
School of Physical Electronics,University of Electronic Science and Technology of China,Chengdu 610054,China

Publish Date: 2006-03-15

Abstract

Abstract

Based on weak turbulence theory, an average coupling efficiency model and a relative power fluctuations model are derived for coupling space light into single mode fiber in the presence of atmospheric turbulence. The effects of turbulence-induced wavefront distortion, scintillation, aperture averaging and residual tracking error of the angle-tracked coupling system are considered together. Using the Hufnagel-Valley 5/7 refractive-index structure model, average coupling efficiency and relative power fluctuations are investigated for both downlink and uplink. It is shown that for downlink, with the increase of receiver aperture, the relative power fluctuations first decrease due to the aperture averaging, and then increase due to the turbulence-induced wavefront distortion, and for uplink, t
- space optical communication,
- atmospheric turbulence,
- tracking error,
- optical coupling

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