Adaptive Optics
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MMT 336
LBT 672
VLT 1170
GMT 4704
E-ELT 5352
Deformable Mirrors: # of actuators
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VLT Deformable Secondary Mirror
The Deformable Secondary Mirror for the ESO VLT Adaptive Optics Facility project is currently at ESO Garching premises for optical calibration with AOF instruments. The pictures show some moments of the integration activity at ADS.

The main features of this unit are hereafter listed:
  • diameter = 1120mm
  • # of actuators = 1170
  • settling time = 0.75ms (all modes)
The DSM was delivered to ESO in December 2012.
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