Uplink correction demonstrator: test bench and experimental results

Noelia Martínez; Luis Fernando Rodríguez Ramos; Zoran Sodnik

doi:10.1117/12.2310088

11 July 2018 Uplink correction demonstrator: test bench and experimental results

Noelia Martínez, Luis Fernando Rodríguez Ramos, Zoran Sodnik

Proceedings Volume 10703, Adaptive Optics Systems VI; 1070365 (2018) https://doi.org/10.1117/12.2310088
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

The Uplink Wavefront Corrector System (UWCS) has been conceived by following the premises from simulation outcomes as a pathfinder instrument to demonstrate Adaptive Optics uplink correction in both applications: Free-Space Optical Communications and self-propagating path of Laser Guide Stars. Preliminary design and expected performance have been analysed via simulations in previous studies. Current activities focus on the turbulence measurement on the launch axis itself by using pulsed or modulated lasers and a pulse-synchronized Shack-Hartmann as wavefront sensor. Present paper describes the test bench it has been built in the Instituto de Astrofısica de Canarias (IAC) to experimentally demonstrate the uplink correction and its advantages.

Citation Download Citation

Noelia Martínez, Luis Fernando Rodríguez Ramos, and Zoran Sodnik "Uplink correction demonstrator: test bench and experimental results", Proc. SPIE 10703, Adaptive Optics Systems VI, 1070365 (11 July 2018); https://doi.org/10.1117/12.2310088

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KEYWORDS

Cameras

Mirrors

Wavefronts

Wavefront sensors

Atmospheric optics

Deformable mirrors

Laser guide stars

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