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Active Phasing Experiment (APE) for the ELT
The ELT will have a segmented mirror. For the adaptive optics to work properly and correct the blurring introduced by the atmosphere turbulence, the segments have to be aligned as if their were part of a single large mirror, with a nanometer accuracy (1 millionth of a mm). In order to experiment with the challenges of this alignment, the APE system will be installed on the VLT, mimicking a segmented mirror and its issues. On the image, the completed 61 segment APE mirror is ready for tests in the Garching laboratory.
Crédit:ESO/H.H.Heyer
À propos de l'image
Identification: | esopia-eelt-5848 |
Type: | Photographique |
Date de publication: | 3 décembre 2009 23:22 |
Taille: | 3710 x 2653 px |
À propos de l'objet
Nom: | Extremely Large Telescope |
Type: | Unspecified : Technology : Observatory : Instrument |
Catégorie: | ELT |