9 Future Developments

Solar AO, of course, is a continually developing field. The two major areas of development are AO for large aperture solar telescopes and MCAO. Where building larger conventional AO systems can be regarded as a increase in system size of a, by now, well understood technology, MCAO at this point must be considered as a development effort for a new, significantly more complex technology. MCAO is considered a vital technology for large aperture solar telescopes. As has been shown in Section 6.1.3, classical AO can provide a reasonable correction over a large FOV for current small aperture solar telescopes. Post-facto processing techniques can be used efficiently to obtain diffraction limited data over large FOVs. Achieving this for a 4 m class solar telescope will be much more challenging, as will be discussed in detail in Section 9.1.3.

 9.1 AO for large aperture solar telescopes
  9.1.1 GREGOR and NST conventional AO
  9.1.2 High order AO for the ATST
  9.1.3 Angular anisoplanatism: a serious challenge for large aperture solar telescopes
  9.1.4 Chromatic ansisoplanatism
 9.2 Multi-Conjugate Adaptive Optics (MCAO)
 9.3 Ground-Layer Adaptive Optics (GLAO)

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