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Influence of atmospheric turbulence on the uplink propagation in an optical time transfer

机译:大气湍流对光学时间传递中上行链路传播的影响

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The time transfer by laser link experiment T2L2 aims for a precision of 60 ps, which could be degraded by the atmospheric turbulence because of the strong variations of the photon number received by the satellite detector, from a measurement to another. The light intensity fluctuations in the satellite plane are estimated for the planned situation for which the beam radius at the atmosphere exit is significantly larger than the coherence length. Such speckle-type fluctuations are experimentally studied. (C) 1997 Optical Society of America.
机译:激光链路实验T2L2的时间传递的目标是60 ps的精度,由于卫星探测器从测量到另一个的接收,所接收的光子数变化很大,因此大气湍流可能会降低该精度。对于计划中的情况,估计了卫星平面中的光强波动,在这种情况下,大气出口处的光束半径显着大于相干长度。这种斑点型波动是通过实验研究的。 (C)1997年美国眼镜学会。

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