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14 July 2008 Large lightweight segmented mirrors for adaptive optics
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Abstract
This paper examines the possibility of constructing deformable mirrors for adaptive optics with a large number of degrees of freedom, by assembling segmented silicon mirrors with bimorph piezoelectric actuation. The production process relies on silicon wafers and thick film PZT deposition technology; it is able to lead to an actuation pitch of the order of 5 mm, and the manufacturing costs appear to grow only slowly (linearly or less) with the number of degrees of freedom in the adaptive optics.
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Gonçalo Rodrigues, Renaud Bastaits, Stéphane Roose, Yvan Stockman, Sylvia Gebhardt, Andreas Schoenecker, Pierre Villon, and André Preumont "Large lightweight segmented mirrors for adaptive optics", Proc. SPIE 7015, Adaptive Optics Systems, 70153U (14 July 2008); https://doi.org/10.1117/12.787810
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