Optical Components, Detectors, and Displays

Modular bimorph mirrors for adaptive optics

[+] Author Affiliations
Gonçalo Rodrigues, Renaud Bastaits

Université Libre de Bruxelles, 50 av. F.D. Roosevelt CP165/42, B-1050, Brussels, Belgium

Stéphane Roose, Yvan Stockman

Centre Spatiale de Liège, Parc Scientifique du Sart Tilman, Avenue du Pré-Aily, B-4031, Angleur, Belgium

Sylvia Gebhardt, Andreas Schoenecker

Fraunhofer Institut für Keramische Technologien und Systeme, Winterbergstr. 28, Dresden, 01277, Germany

Pierre Villon

Université de Technologie de Compiègne, BP 20529, Compiègne cedex, 60205, France

André Preumont

Université Libre de Bruxelles50 av. F.D. Roosevelt CP165/42, B-1050, Brussels, Belgium

Opt. Eng. 48(3), 034001 (March 20, 2009). doi:10.1117/1.3099716
History: Received August 26, 2008; Revised December 18, 2008; Accepted January 19, 2009; Published March 20, 2009
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This paper examines the possibility of constructing deformable mirrors for adaptive optics with a large number of degrees of freedom from silicon wafers with bimorph piezoelectric actuation. The mirror may be used on its own, or as a segment of a larger mirror. The typical size of one segment is 100to200mm; the production process relies on silicon wafers and thick film piezoelectric material deposition technology; it is able to lead to an actuation pitch of the order of 5mm, and the manufacturing costs appear to grow only slowly with the number of degrees of freedom in the adaptive optics.

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© 2009 Society of Photo-Optical Instrumentation Engineers

Citation

Gonçalo Rodrigues ; Renaud Bastaits ; Stéphane Roose ; Yvan Stockman ; Sylvia Gebhardt, et al.
"Modular bimorph mirrors for adaptive optics", Opt. Eng. 48(3), 034001 (March 20, 2009). ; http://dx.doi.org/10.1117/1.3099716


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