Adaptive Optics
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MMT 336
LBT 672
VLT 1170
GMT 4704
E-ELT 5316
Deformable Mirrors: # of actuators
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E-ELT M4 Adaptive Unit
ADS together with Microgate (forming AdOptica consortium) and INAF have been contracted by ESO for the final design study and construction of the M4 deformable mirror for the E-ELT project.

This DM is the largest ever designed and it features:
  • (max) optical diameter = 2387 mm
  • # o f actuators = 5316
  • settling time < 1 ms
The mirror is segmented into six petals, 886 act.s each.

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