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Optical bench development for laser communication OSIRIS mission at Grasse (France) station

Abstract : The Grasse Satellite Laser Ranging (SLR) station (ID7845), part of the International Laser Ranging Service (ILRS) network, participates to various laser applications including SLR, Lunar Laser Ranging (LLR), Time Transfer by Laser Link (T2L2), high-resolution imagery, and debris detection. Since 2014, in collaboration with the France Space Agency (CNES), the Grasse station has been upgrading in order to be able to take part in laser communication (lasercom) experiments. The main challenges of these experiments are the implementation of a complete laser communication chain from space to ground and the characterization of the turbulent atmosphere during the optical data transfer. Several campaigns have been successfully performed and planned since 2015 between Grasse station and lasercom terminal at low Earth orbit, SOTA onboard SOCRATES [5], OPALS integrated on ISS [6], and recently DLR's OSIRIS mission [7]. To prepare for possible higher data-rate lasercom campaigns in the near future (OSIRISv1 at 40 Mbps, OSIRISv2 and Optelµ at 1 Gbps, OSIRISv3 at 10 Gbps) Grasse SLR station is upgrading on lasercom optical bench, with a fine auto-tracking system and a high sensitivity telecom detector. In the proceeding, we will describe the architecture of our optical bench for high data-rate lasercom link and some primary results of the lasercom link between OSIRISv1 [14] (onboard FlyingLaptop satellite) and the station.
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https://hal.archives-ouvertes.fr/hal-03269437
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Submitted on : Thursday, December 9, 2021 - 1:31:45 PM
Last modification on : Thursday, August 4, 2022 - 4:55:49 PM

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Duy-Ha Phung, Etienne Samain, Julien Chabé, Clement Courde, Nicolas Maurice, et al.. Optical bench development for laser communication OSIRIS mission at Grasse (France) station. International Conference on Space Optics — ICSO 2021, Mar 2021, Online Only, France. pp.118522B, ⟨10.1117/12.2599371⟩. ⟨hal-03269437⟩

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