22 July 2016 Auxiliary free space optical communication project to ensure continuous transfer of data for DAG the 4m telescope
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Abstract
The continuity of the amount of data that the 4m DAG (Eastern Anatolia Observatory in Turkish) telescope will produce and transfer to Ataturk University is critical not to jeopardize the science programs. Though¬ the fiber optics and radio link infrastructures are in place, these systems are still volatile against earthquakes, and possible excavation damages. Thus the 4m DAG telescope will be equipped with a free space optical communication system to ensure the continuity of the data transfer as a backup system. In order to cope with the disturbances introduced by the atmospheric turbulence, the transceiver FSO system will be equipped with a wavefront corrector. In this paper, the Cassegrain optical design, and working principle of this system as well as expected performance analyses will be presented.
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Onur Keskin, Onur Keskin, Cahit Yesilyaprak, Cahit Yesilyaprak, Sinan Kaan Yerli, Sinan Kaan Yerli, } "Auxiliary free space optical communication project to ensure continuous transfer of data for DAG the 4m telescope", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 991273 (22 July 2016); doi: 10.1117/12.2234388; https://doi.org/10.1117/12.2234388
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