Cartridge-type piezostack deformable mirror with reduced cross-section of control elements

Vladimir Toporovsky; Ilya Galaktionov; Vadim Samarkin; Alexis Kudryashov; Alexander Panich; Anatoliy Malykhin; Alexander Laskin

doi:10.1117/12.2676744

26 September 2023 Cartridge-type piezostack deformable mirror with reduced cross-section of control elements

Vladimir Toporovsky, Ilya Galaktionov, Vadim Samarkin, Alexis Kudryashov, Alexander Panich, Anatoliy Malykhin, Alexander Laskin

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Proceedings Volume 12667, Laser Beam Shaping XXIII; 126670K (2023) https://doi.org/10.1117/12.2676744
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

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Abstract

The reduction of cross-sectional area of actuators from 4*4 mm² to 2*2 mm² in cartridge-type piezostack deformable mirror was investigated. Harmonic analysis showed that stroke of the actuators with 16 mm² and 4 mm² was equal 5.33 and 5.52 microns correspondingly in case of interdigital commutation of layers. However, the mechanical stiffness of such actuators was low. To increase robustness of wavefront corrector a gap structure for inner electrode configuration was used. The piezoceramic cartridges with cross-sectional area of individual actuator with 2*2 mm2 was produced. The local stroke of single piezostack was 4.6-4.8 microns per 300 V.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Vladimir Toporovsky, Ilya Galaktionov, Vadim Samarkin, Alexis Kudryashov, Alexander Panich, Anatoliy Malykhin, and Alexander Laskin "Cartridge-type piezostack deformable mirror with reduced cross-section of control elements", Proc. SPIE 12667, Laser Beam Shaping XXIII, 126670K (26 September 2023); https://doi.org/10.1117/12.2676744

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