Physics – Optics
Scientific paper
Jul 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spie.6272e.155s&link_type=abstract
Advances in Adaptive Optics II. Edited by Ellerbroek, Brent L.; Bonaccini Calia, Domenico. Proceedings of the SPIE, Volume 6272
Physics
Optics
Scientific paper
The current generation of Adaptive Optics systems has lead to an improvement in resolution and contrast of up to one to two orders of magnitude for 8-10 meter class telescopes. With the upcoming generation of Extremely Large Telescopes, AO has the potential for an even larger gain. But the scaling of the current AO systems to ELTs will not be trivial; both in AO hardware as well as in AO control, techniques need to be developed which can cope with the large number of sub-apertures. The Leiden High Order AO Testbed was developed for the implementation and testing of innovative ELT-compatible AO systems. In the current setup, the system is centered around a Liquid Crystal Spatial Light Modulator, a Shack-Hartmann wavefront sensor and a PC based RTC. Initially, the system will be used to develop and test efficient high-order AO algorithms under laboratory conditions, but is sufficiently flexible to allow for fast replacement of all components for the testing of different hardware components. In this paper we will present the design, building and testing of HORATIO.
Brandl Bernhard
Buurman Robert
Hallibert Pascal
McHugh Ronan
Quirrenbach Andreas
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