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Proceedings Paper

Comparison of the efficiency of laser beam focusing through the scattering medium using 14- and 31-channel bimorph mirrors
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Paper Abstract

We investigated the ability to focus laser beam (λ = 0.65 nm), propagated through the scattering suspension of polystyrene microspheres in distilled water, by means of two bimorph mirrors. Shack-Hartmann sensor was used to measure the local slopes of the Poynting vector, and the CCD camera was used to measure the intensity of the focal spot in the far-field. Correction efficiency of the two bimorph deformable mirrors — with 14 and 31 control channels — were compared. Numerical and experimental investigation of the focusing improvement of the laser beam propagated through the scattering medium was performed.

Paper Details

Date Published: 16 February 2018
PDF: 14 pages
Proc. SPIE 10518, Laser Resonators, Microresonators, and Beam Control XX, 1051818 (16 February 2018); doi: 10.1117/12.2297080
Show Author Affiliations
Ilya Galaktionov, Moscow Polytechnic Univ. (Russian Federation)
Institute of Geosphere Dynamics (Russian Federation)
Active Optics Night N Ltd. (Russian Federation)
Alexis Kudryashov, Moscow Polytechnic Univ. (Russian Federation)
Institute of Geosphere Dynamics (Russian Federation)
Active Optics Night N Ltd. (Russian Federation)
Julia Sheldakova, Moscow Polytechnic Univ. (Russian Federation)
Institute of Geosphere Dynamics (Russian Federation)
Alexander Nikitin, Institute of Geosphere Dynamics (Russian Federation)
Active Optics Night N Ltd. (Russian Federation)
Vadim Samarkin, Institute of Geosphere Dynamics (Russian Federation)


Published in SPIE Proceedings Vol. 10518:
Laser Resonators, Microresonators, and Beam Control XX
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko, Editor(s)

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