Real-time real-sky dual-conjugate adaptive optics experiment

Per Knutsson; Mette Owner-Petersen

doi:10.1117/12.671288

27 June 2006 Real-time real-sky dual-conjugate adaptive optics experiment

Per Knutsson, Mette Owner-Petersen

Proceedings Volume 6272, Advances in Adaptive Optics II; 62723V (2006) https://doi.org/10.1117/12.671288
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

The current status of a real-time real-sky dual-conjugate adaptive optics experiment is presented. This experiment is a follow-up on a lab experiment at Lund Observatory that demonstrated dual-conjugate adaptive optics on a static atmosphere. The setup is to be placed at Lund Observatory. This means that the setup will be available 24h a day and does not have to share time with other instruments. The optical design of the experiment is finalized. A siderostat will be used to track the guide object and all other optical components are placed on an optical table. A small telescope, 35 cm aperture, is used and following this a tip-tilt mirror and two deformable mirrors are placed. The wave-front sensor is a Shack-Hartmann sensor using a SciMeasure Li'l Joe CCD39 camera system. The maximum update rate of the setup will be 0.5 kHz and the control system will be running under Linux. The effective wavelength will be 750 nm. All components in the setup have been acquired and the completion of the setup is underway. Collaborating partners in this project are the Applied Optics Group at National University of Ireland, Galway and the Swedish Defense Research Agency.

Citation Download Citation

Per Knutsson and Mette Owner-Petersen "Real-time real-sky dual-conjugate adaptive optics experiment", Proc. SPIE 6272, Advances in Adaptive Optics II, 62723V (27 June 2006); https://doi.org/10.1117/12.671288

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KEYWORDS

Wavefront sensors

Mirrors

Adaptive optics

Deformable mirrors

Cameras

Control systems

Sensors

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