Long-term near-ground optical scintillation measurements

Dirk Giggenbach; Hennes Henniger; Florian X. David

doi:10.1117/12.479202

30 April 2003 Long-term near-ground optical scintillation measurements

Dirk Giggenbach, Hennes Henniger, Florian X. David

Proceedings Volume 4976, Atmospheric Propagation; (2003) https://doi.org/10.1117/12.479202
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

A long-term measurement of the received-power fluctuations caused by atmospheric index-of-refraction turbulence in a near-ground optical free-space laser transmission experiment has been carried out over a eight-months period. Atmospheric index-of-refraction turbulence causes intensity variations in time and space (so called scintillations). These are recorded with differently sized receiver-telescopes, allowing for the calculation of diurnal, seasonal, and meteorological dependences in the received-power statistics. The purpose of this experiment was to gather data for the evaluation of atmospheric optical free-space transmission scenarios. This paper presents statistical evaluations of received-power fluctuations (scintillation-index, fades) over time-of-day and the season. Comparisons with the meteorological circumstances e.g. windspeed and temperature are made.

Citation Download Citation

Dirk Giggenbach, Hennes Henniger, and Florian X. David "Long-term near-ground optical scintillation measurements", Proc. SPIE 4976, Atmospheric Propagation, (30 April 2003); https://doi.org/10.1117/12.479202

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