Demonstration of Adaptive Optical Pre-Compensation in Horizontal Tests

Brady, Aoife; Eberhardt, Ramona; Tünnermann, Andreas; Reinlein, Claudia

doi:10.1109/icsos45490.2019.8978973

Cited by 2 publications

(3 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For instance, the bench in Ref. 18 is dedicated to the validation of an AO for ground-to-satellite uplink pre-compensation. It is composed of a single phase screen and presents an underestimated beam wandering due to a scaling problem.…”

Section: Optical Turbulence Emulationmentioning

confidence: 99%

“…Different ground-to-ground experiments 14 – 16 have been designed to replicate the conditions of those links, but it is difficult to achieve realistic and reproducible turbulence conditions. Turbulence emulators 17 – 19 provide well-known, reproducible, and available optical turbulence conditions that enable the testing of AO systems and other optical communication components.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Emulating and characterizing strong turbulence conditions for space-to-ground optical links: the PICOLO bench

Robles,

Petit,

Velluet

et al. 2023

J. Astron. Telesc. Instrum. Syst.

View full text Add to dashboard Cite

.We present a method to develop a turbulence emulation bench for low-Earth-orbit satellite-to-ground optical communication links under strong turbulence. We provide guidelines to characterize the spatio–temporal dynamics of phase disturbances and scintillation produced by the emulator on a laser beam. We implemented such an emulator for a link at 10 deg elevation and discuss here its design method and characterization. The characterization results are compared to numerical simulations, and this characterization results in the validation of a digital twin of the emulator. The emulator will serve as a testing platform for adaptive optics systems and other free-space optical communication components under strong turbulence conditions.

show abstract

Section: Optical Turbulence Emulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Emulating and characterizing strong turbulence conditions for space-to-ground optical links: the PICOLO bench

Robles,

Petit,

Velluet

et al. 2023

J. Astron. Telesc. Instrum. Syst.

View full text Add to dashboard Cite

show abstract

“…• Brady et al [1]; the bench described is dedicated to the validation of an AO pre-compensation uplink. It is composed of a single phase screen.…”

Section: Introductionmentioning

confidence: 99%

PICOLO: turbulence simulator for adaptive optics systems assessment in the context of ground-satellite optical links

Velluet

Petit

Leuch

et al. 2020

Environmental Effects on Light Propagation and Adaptive Systems III

View full text Add to dashboard Cite

Optical communication between satellites and optical ground stations is a promising technology for high-speed data transfer between Space and Earth. However, the atmospheric turbulence present in the last few tens of kilometres near the ground has a significant impact on the quality of the link and reduces the transfer rate due to signal fading. To explore the robustness of adaptive optics (AO) systems to mitigate the turbulence effects at low elevation angles, we have developed a bench representative of the propagation channel between the ground and the satellite. The aim of the paper is to present the system analysis, the definition choices and the simulated performance that have conducted to the actual bench. We also describe the set-up and the characterisation of the main components.

show abstract

Demonstration of Adaptive Optical Pre-Compensation in Horizontal Tests

Cited by 2 publications

References 13 publications

Emulating and characterizing strong turbulence conditions for space-to-ground optical links: the PICOLO bench

Emulating and characterizing strong turbulence conditions for space-to-ground optical links: the PICOLO bench

PICOLO: turbulence simulator for adaptive optics systems assessment in the context of ground-satellite optical links

Contact Info

Product

Resources

About