Multiconjugate Adaptive Optics (MCAO): Analysis and assessment

摘要

Multi-conjugate Adaptive Optics (MCAO) is an essential approach to wavefroht sensing and control The concept of MCAO corrects each "layer"of the atmosphere independently. Correction devices (deformable mirrors) are placed in "series" and assigned to correct the isoplanatic patch. MCAO can be approached two ways: with multi-guide stars or multilayer correction. The objective of this paper is to analyze both approaches and assess their effectiveness to achieve their goals. Wavefront correction is being carried out in the Large Binocular Telescope (LBT) by means of multiple Laser Guide Stars. Multi-layer correction is being achieved by the Solar Telescope GREGOR. This paper will analyze both apporaches for effectiveness in compensating turbulence for distortion correction.