Development and investigation of small-aperture bimorph deformable mirror for correction of low-order aberrations of laser radiation

V. Toporovsky; A. Kudryashov; J. Sheldakova; V. Samarkin

doi:10.1117/12.2575599

12 November 2020 Development and investigation of small-aperture bimorph deformable mirror for correction of low-order aberrations of laser radiation

V. Toporovsky, A. Kudryashov, J. Sheldakova, V. Samarkin

Author Affiliations +

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115601Z (2020) https://doi.org/10.1117/12.2575599
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

Bimorph deformable mirror for correction of low-order aberrations of laser radiation was manufactured. Two technologies were used to develop this wavefront corrector: laser engraving technology and ultrasonic welding technology. The mirror has aperture of 10 mm and 13 control electrodes. The thickness of the wavefront corrector is 1 mm. The applied voltages took values in the range from -150 to +200 V. The stroke of the mirror for one electrode was equal to 1 micron (P-V). The first resonant frequency was found at 10.8 kHz. Such mirror can be used in closed-loop adaptive optical system with speed about 1.1 kHz.

Citation Download Citation

V. Toporovsky, A. Kudryashov, J. Sheldakova, and V. Samarkin "Development and investigation of small-aperture bimorph deformable mirror for correction of low-order aberrations of laser radiation", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115601Z (12 November 2020); https://doi.org/10.1117/12.2575599

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