Development of large aperture composite adaptive optics

Viliam Kmetik; Bohumil Vitovec; Lukas Jiran; Sarka Nemcova; Josef Zicha; Adolf Inneman; Lenka Mikulickova; Richard Pavlica

doi:10.1117/12.2175713

7 January 2015 Development of large aperture composite adaptive optics

Viliam Kmetik, Bohumil Vitovec, Lukas Jiran, Sarka Nemcova, Josef Zicha, Adolf Inneman, Lenka Mikulickova, Richard Pavlica

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Proceedings Volume 9442, Optics and Measurement Conference 2014; 94420L (2015) https://doi.org/10.1117/12.2175713
Event: Optics and Measurement Conference 2014, 2014, Liberec, Czech Republic

Abstract

Large aperture composite adaptive optics for laser applications is investigated in cooperation of Institute of Plasma Physic, Department of Instrumentation and Control Engineering FME CTU and 5M Ltd. We are exploring opportunity of a large-size high-power-laser deformable-mirror production using a lightweight bimorph actuated structure with a composite core. In order to produce a sufficiently large operational free aperture we are developing new technologies for production of flexible core, bimorph actuator and deformable mirror reflector. Full simulation of a deformable-mirrors structure was prepared and validated by complex testing. A deformable mirror actuation and a response of a complicated structure are investigated for an accurate control of the adaptive optics. An original adaptive optics control system and a bimorph deformable mirror driver were developed. Tests of material samples, components and sub-assemblies were completed. A subscale 120 mm bimorph deformable mirror prototype was designed, fabricated and thoroughly tested. A large-size 300 mm composite-core bimorph deformable mirror was simulated and optimized, fabrication of a prototype is carried on. A measurement and testing facility is modified to accommodate large sizes optics.

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Viliam Kmetik, Bohumil Vitovec, Lukas Jiran, Sarka Nemcova, Josef Zicha, Adolf Inneman, Lenka Mikulickova, and Richard Pavlica "Development of large aperture composite adaptive optics", Proc. SPIE 9442, Optics and Measurement Conference 2014, 94420L (7 January 2015); https://doi.org/10.1117/12.2175713

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KEYWORDS

Adaptive optics

Deformable mirrors

Composites

High power lasers

Actuators

Prototyping

Wavefronts

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