Basden, A.G. and Brown, A.M. and Chadwick, P.M. and Clark, P. and Massey, R. (2018) 'Artificial guide stars for adaptive optics using unmanned aerial vehicles.', Monthly notices of the Royal Astronomical Society., 477 (2). pp. 2209-2219.
Astronomical adaptive optics systems are used to increase effective telescope resolution. However, they cannot be used to observe the whole sky since one or more natural guide stars of sufficient brightness must be found within the telescope field of view for the AO system to work. Even when laser guide stars are used, natural guide stars are still required to provide a constant position reference. Here, we introduce a technique to overcome this problem by using rotary unmanned aerial vehicles (UAVs) as a platform from which to produce artificial guide stars. We describe the concept, which relies on the UAV being able to measure its precise relative position. We investigate the adaptive optics performance improvements that can be achieved, which in the cases presented here can improve the Strehl ratio by a factor of at least 2 for a 8 m class telescope. We also discuss improvements to this technique, which is relevant to both astronomical and solar adaptive optics systems.
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|Publisher Web site:||https://doi.org/10.1093/mnras/sty790|
|Publisher statement:||© The Author(s) 2018. Published by Oxford University Press on behalf of The Royal Astronomical Society. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.|
|Date accepted:||20 March 2018|
|Date deposited:||12 April 2018|
|Date of first online publication:||24 March 2018|
|Date first made open access:||No date available|
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