Monday, October 31, 2011

Adaptive Optics

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               Adaptive optics is a new technology which is being used now a days in ground based telescopes to remove atmospheric tremor and thus provide a clearer and brighter view or image of star seen through the ground based telescopes.


  • Starlight travels millions of light years across the vacuum of space only to get distorted by our atmosphere in the last 150 miles before reaching Earth.










  • To compensate for the atmosphere, Adaptive Optic Systems use a Deformable Mirror to correct the incoming light.
  • A Deformable Mirror is a reflective device that can change its shape quickly, in real-time.
  • Special cameras, called Wave Front Sensors, measure the atmospheric disturbance.
  • This information is sent to a fast computer, which calculates the shape to apply to a special "deformable mirror”.
  • Adaptive Optics

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