Optimization of electrode configuration in surface-parallel actuated deformable mirrors

Marie Laslandes; Sergio Pellegrino; John Steeves; Keith Patterson

doi:10.1117/12.2056495

21 July 2014 Optimization of electrode configuration in surface-parallel actuated deformable mirrors

Marie Laslandes, Sergio Pellegrino, John Steeves, Keith Patterson

Proceedings Volume 9148, Adaptive Optics Systems IV; 914843 (2014) https://doi.org/10.1117/12.2056495
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

Thin, lightweight and low-cost deformable mirrors have been recently proposed, providing a pertinent device for wavefront error correction. We present different approaches to optimize actuator arrangement. The design is optimized according to a given correction requirement, through the number of electrodes, their shape and location. A first method focuses on the compensation of a given optical aberration (astigmatism). A second method directly optimizes the correction of a set of optical modes, taking into account the voltage limitation. We will describe the optimization techniques and give some examples of applications and design performance.

Citation Download Citation

Marie Laslandes, Sergio Pellegrino, John Steeves, and Keith Patterson "Optimization of electrode configuration in surface-parallel actuated deformable mirrors", Proc. SPIE 9148, Adaptive Optics Systems IV, 914843 (21 July 2014); https://doi.org/10.1117/12.2056495

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