Ground-to-satellite bidirectional laser links for validation of atmospheric turbulence model

Marcos Reyes; Adolfo Comeron; Angel Alonso; Alejandro Rodriguez; Juan Antonio Rubio; Victor Federico Dios; Sergio Chueca; Zoran Sodnik

doi:10.1117/12.506738

27 January 2004 Ground-to-satellite bidirectional laser links for validation of atmospheric turbulence model

Marcos Reyes, Adolfo Comeron, Angel Alonso, Alejandro Rodriguez, Juan Antonio Rubio, Victor Federico Dios, Sergio Chueca, Zoran Sodnik

Author Affiliations +

Proceedings Volume 5160, Free-Space Laser Communication and Active Laser Illumination III; (2004) https://doi.org/10.1117/12.506738
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The European Space Agency (ESA) has launched the geostationary data-relay satellite ARTEMIS with one of its payloads being a laser communication terminal (LCT). The LCT is used within the semiconductor-laser intersatellite link experiment (SILEX) to receive Earth observation data transmitted from a similar LCT onboard the SPOT-4 satellite. To support SILEX, ESA has also reached an agreement with the Instituto de Astrofisica de Canarias (JAC) to build the Optical Ground Station (OGS), in the Teide Observatory ofthe IAC. ARTEMIS and the OGS are an ideal and unique test-bed to study and characterise laser beam propagation through atmospheric turbulence. Theoretical models of laser beam propagation through atmospheric turbulence have been reviewed and developed, to predict the performance of the optical links from the propagation and communication point of view. Special effort has been invested in modelling the uplink effects. Optical link experiments have been planned in detail, to gather the necessary data required to be statistically representative, to compare the results with theoretical predictions and to validate and adjust the theoretical models. This comparison will pave the way towards the implementation of deep-space laser communication links. The first results ofthese experiments, presenting the theoretical models, analysing separately downlink and uplink measurements, and comparing the data with the theoretical predictions, are presented.

Citation Download Citation

Marcos Reyes, Adolfo Comeron, Angel Alonso, Alejandro Rodriguez, Juan Antonio Rubio, Victor Federico Dios, Sergio Chueca, and Zoran Sodnik "Ground-to-satellite bidirectional laser links for validation of atmospheric turbulence model", Proc. SPIE 5160, Free-Space Laser Communication and Active Laser Illumination III, (27 January 2004); https://doi.org/10.1117/12.506738

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