16 February 2018 High spatial resolution bimorph deformable mirror for laser beam control
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Formation and correction of the given laser beam intensity and phase is an important practical and scientific problem. Semipassive bimorph flexible mirror is one of the most widely used devices for this purpose. But the key disadvantage of these kind of mirrors is their low spatial resolution of the corrected phase. Mainly this problem occurs when one deals with the small aperture wavefront correctors. In this work we present two approaches to overcome this problem – one to use a multilayer bimorph (multimorph) mirrors and another to put higher density of control electrodes and use a special technique (ultrasonic welding) to make the wire connection to these electrodes. Here we also present a numerical model to simulate bimorph correctors, based on a variation approach of the finite elements method.
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Vladimir Toporovskiy, Vladimir Toporovskiy, Arkadiy Skvortsov, Arkadiy Skvortsov, Alexis Kudryashov, Alexis Kudryashov, Vadim Samarkin, Vadim Samarkin, Danila Pshonkin, Danila Pshonkin, } "High spatial resolution bimorph deformable mirror for laser beam control", Proc. SPIE 10518, Laser Resonators, Microresonators, and Beam Control XX, 1051821 (16 February 2018); doi: 10.1117/12.2297598; https://doi.org/10.1117/12.2297598

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