Proceedings Article10.1117/12.2578116
Focusing laser beam through pinhole using high-resolution stacked-actuator deformable mirror
Alexander N. Nikitin,Ilya Galaktionov,Julia Sheldakova,Alexis Kudryashov,Vadim Samarkin,Alexey Rukosuev,Vladimir Toporovskiy +6 more
- 05 Mar 2021
- Vol. 11672, pp 122-132
TL;DR: In this paper, the authors used stacked-actuator adaptive mirrors to improve the focusing efficiency of laser radiation, where the criterion of focusing efficiency is the fraction of the energy of the laser radiation passing through the pinhole located in the focal plane of the focusing lens.
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Abstract: The article discusses the use of stacked-actuator adaptive mirrors to improve the focusing of laser radiation. The criterion of focusing efficiency is the fraction of the energy of the laser radiation passing through the pinhole located in the focal plane of the focusing lens.
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References
Shack-Hartmann wavefront sensor precision and accuracy
Daniel R. Neal,James Copland,David A. Neal +2 more
- 01 Nov 2002
TL;DR: A standard methodology for measuring the repeatability, accuracy and dynamic range of different wavefront sensor designs, and has experimentally applied these metrics to a number of different sensors.
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Scalable stacked array piezoelectric deformable mirror for astronomy and laser processing applications
Krystian Lukasz Wlodarczyk,Emma Bryce,Noah Schwartz,Mel Strachan,David Hutson,Robert R. J. Maier,David Atkinson,Steven Beard,Tom Baillie,Phil Parr-Burman,Katherine J. Kirk,Duncan Paul Hand +11 more
TL;DR: The initial proof of concept experiments described here show that this mirror can be successfully used for shaping a high power laser beam in order to improve laser machining performance.
Bimorph deformable mirror with a high density of electrodes to correct for atmospheric distortions.
Vladimir Toporovskiy,Alexis Kudryashov,Vadim Samarkin,Julia Sheldakova,Alexey Rukosuev,Arkadiy A. Skvortsov,Danila E. Pshonkin +6 more
TL;DR: A new development of small-diameter, high-spatial-resolution, semipassive bimorph deformable mirrors to be used in different imaging systems is presented, with the main parameters of these wavefront correctors, such as the response functions of different electrodes, temporal behavior, and the ability to compensate for high-order aberrations.
40
Hartmannometer versus Fizeau Interferometer: advantages and drawbacks
Alexander Nikitin,Julia Sheldakova,Alexis Kudryashov,D. G. Denisov,Valerii Karasik,Alexey Sakharov +5 more
TL;DR: In this article, the authors considered two approaches widely used in optical testing: Shack-Hartmann wavefront sensor and Fizeau interferometer technique and compared their features to those of FIZEau interferer.
21
Cooled Stacked-Actuator Deformable Mirror for Compensation for Phase Fluctuations in a Turbulent Atmosphere
Vladimir Toporovsky,Vladimir Toporovsky,Alexis Kudryashov,Alexis Kudryashov,Vadim Samarkin,Alexey Rukosuev,Alexander N. Nikitin,Yu. V. Sheldakova,O. V. Otrubyannikova +8 more
TL;DR: In this article, a wavefront corrector was designed in the form of a cooled stacked-actuator deformable mirror for the correction of aberrations of laser radiation propagating through the turbulent atmosphere.
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