A model of the collection range of a bucket detector is proposed to investigate ghost imaging through turbulent atmosphere. The influence of the collection range of a bucket detector on the quality of ghost imaging is discussed under different turbulence intensities. The numerical results show that the quality of ghost imaging increases with increment in the collection range of the bucket detector and with a decrease in turbulence intensity. Specifically, we give a critical collection range of a bucket detector, which is the minimum collection range for ghost imaging at different turbulence intensities. Additionally, a comparison of ghost imaging through turbulent atmosphere with ghost imaging through vacuum atmosphere is provided to show the effect of turbulent atmosphere on ghost imaging.
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