Original title: Optimization of electrode geometry and piezoelectric layer thickness of a deformable mirror
Authors: Kruchenko, Alexey ; Nováková, Kateřina ; Mokrý, Pavel
Document type: Papers
Conference/Event: OaM 2012 International Conference on Optics and Measurement, Liberec (CZ), 2012-10-16 / 2012-10-18
Year: 2012
Language: eng
Abstract: Deformable mirrors are the most commonly used wavefront correctors in adaptive optics systems. Nowadays, many applications of adaptive optics to astronomical telescopes, high power laser systems, and similar fast response optical devices require large diameter deformable mirrors with a fast response time and high actuator stroke. In order to satisfy such requirements, deformable mirrors based on piezoelectric layer composite structures have become a subject of intense scientific research during last two decades. In this paper, we present an optimization of several geometric parameters of a deformable mirror that consists of a nickel reflective layer deposited on top of a thin lead zirconate titanate (PZT) piezoelectric disk. Honeycomb structure of gold electrodes is deposited on the bottom of the PZT layer. The analysis of the optimal thickness ratio between the PZT and nickel layers is performed to get the maximum actuator stroke using the finite element method. The effect
Keywords: Adaptive optics; mirrors
Project no.: ED2.1.00/03.0079
Funding provider: GA MŠk
Host item entry: OaM/ 2012/ Optics and Measurement International Conference. Conference Proceedings, ISBN 978-80-87026-02-1

Institution: Institute of Plasma Physics AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0230679

Permalink: http://www.nusl.cz/ntk/nusl-170404


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Research > Institutes ASCR > Institute of Plasma Physics
Conference materials > Papers