10 February 2011 Picosecond laser pulse propagation delay fluctuation through atmosphere
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Abstract
The influence of Earth atmospheric turbulence on the propagation of a picosecond laser pulse has been investigated from point of view detection with high temporal resolution. The results have been interpreted for optical time scale synchronization link allowing picosecond precision and accuracy in ground-to-space time transfer on a single photon signal levels. The details in laser beam position changes, phase wave-front deformation or beam profile changes were not studied like in adaptive optics as the goal of time transfer link is not the imaging but time tagging. The figure of merit of presented results is the time of propagation, its absolute delay and jitter. The correlation of the atmospheric turbulence with the propagation delay fluctuation was measured. The physical reason of the fluctuation of propagation time of laser pulse on picosecond level is the same, but the entirely different approach in comparison to adaptive optics was used to describe the effect.
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Josef Blazej, Josef Blazej, Ivan Prochazka, Ivan Prochazka, Lukas Kral, Lukas Kral, } "Picosecond laser pulse propagation delay fluctuation through atmosphere", Proc. SPIE 7924, Atmospheric and Oceanic Propagation of Electromagnetic Waves V, 79240A (10 February 2011); doi: 10.1117/12.878823; https://doi.org/10.1117/12.878823
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