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SUMMARY:Inverse problems in Adaptiv Optics for Extremely Large Telescopes 
 - Ronny  Ramlau (Johannes Kepler Universität)
DTSTART:20230130T153000Z
DTEND:20230130T161500Z
UID:TALK194503@talks.cam.ac.uk
DESCRIPTION:Content still TBC\, but current working abstract is as follows
 . Alternatively\, I could also talk about a subject from Galactic Archeolo
 gy\, or combine both topics.\n&nbsp\;\nThe image quality of ground based a
 stronomical telescopes suffers from turbulences in the atmosphere. Adaptiv
 e Optics (AO) systems use wavefront sensor measurements of incoming light 
 from guide stars to determine an optimal shape of deformable mirrors (DM) 
 such that the image of the scientifc object is corrected after reflection 
 on the DM(s). The operation of the AO systems of the new generation of lar
 ge astronomical telescopes under construction requires new mathematical me
 thods\, in particular for wavefront reconstruction and atmospheric tomogra
 phy. Additionally\, the reconstructions have to computed in real time\, as
  the turbulences in the atmosphere change in about 1-2 milliseconds.\nThe 
 presented methods have been developed in the framework of the instruments 
 METIS\, MICADO and MORFEO of the Extremely Large Telescope (ELT) of the Eu
 ropean Southern Observatory (ESO).
LOCATION:Seminar Room 1\, Newton Institute
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