Abstract

To confirm the effect of uplink atmospheric turbulence on Fourier telescopy (FT), we designed a system for far-field imaging, utilizing a T-type laser transmitting configuration with commercially available hardware, except for a green imaging laser. The horizontal light transmission distance for both uplink and downlink was $\sim 300\mathrm{m}$. For both the transmitting and received beams, the height upon the ground was below 1 m. The imaging laser’s pointing accuracy was $\sim 9.3\mathrm{\mu rad}$. A novel image reconstruction approach was proposed, yielding significantly improved quality and Strehl ratio of reconstructed images. From the reconstruction result, we observed that the tip/tilt aberration is tolerated by the FT system even for Changchun’s atmospheric coherence length parameter ($r0$) below 3 cm. The resolution of the reconstructed images was $\sim 0.615\mathrm{\mu rad}$.

© 2016 Optical Society of America

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