Auxiliary free space optical communication project to ensure continuous transfer of data for DAG the 4m telescope

Onur Keskin; Cahit Yesilyaprak; Sinan Kaan Yerli

doi:10.1117/12.2234388

22 July 2016 Auxiliary free space optical communication project to ensure continuous transfer of data for DAG the 4m telescope

Onur Keskin, Cahit Yesilyaprak, Sinan Kaan Yerli

Author Affiliations +

Proceedings Volume 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II; 991273 (2016) https://doi.org/10.1117/12.2234388
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

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, Cahit Yesilyaprak, and 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); https://doi.org/10.1117/12.2234388

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KEYWORDS

Adaptive optics

Mirrors

Actuators

Wavefronts

Telecommunications

Telescopes

Data communications

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