active optics

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active optics

n (functioning as singular)

(Physics / General Physics) a system to compensate for any deformation caused by gravity in the surface accuracy and alignment of the mirrors of an astronomical telescope by means of actuators that control the movable mirror supports

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1 million contract to build the Active Optics System for an advanced astronomical telescope for the Southern Astrophysical Research (SOAR) project.

Raytheon Awarded an $8 Million Contract to Provide Optics for an ... by Business Wire

The change comes largely from successes in recent years in using computer programs and active optics directed by computer-driven servomechanisms to compensate for atmospheric turbulence.

Taking the measure of the stars by Thomsen, Dietrick E. / Science News

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