Prototype of part of the adaptive support system of the E-ELT

This picture shows a prototype of part of the adaptive support system for the M4 mirror of the E-ELT. It is equivalent in size to 1/14th of the final M4 mirror. The prototype has 350 actuators and co-located sensors. A small section of the thin mirror shell is mounted on the left part of the prototype in the picture. On the right the reference surface is visible as well as the sensors. The actuators are positioned inside the holes of the reference surface. This prototype system has shown very good performance, in line with the challenging requirements for M4.

Credit:

Microgate/ADS/ESO

About the Image

Id:ann12032b
Type:Photographic
Release date:22 May 2012, 17:19
Related announcements:ann12032
Size:2628 x 1860 px

About the Object

Type:• Unspecified : Technology : Observatory : Instrument
• X - E-ELT

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