Analysis of adaptive correction efficiency with account of limitations induced by Shack-Hartmann sensor

Abstract

Correction for turbulent distortions with an adaptive optics system including Shack-Hartmann sensor is considered in the paper. Efficiency of control was analyzed under conditions of singular points development in a wavefront of a laser beam. It was shown that the presence of dislocations causes the discrepancy of wavefront detection by the sensor and as a consequence leads to the control instabilities. It was also shown that dislocations appear mainly in the peripheral regions of the beam. Using this feature and optimizing the size of the sensor the stable adaptive control could be achieved in an adaptive optics system.

Original language	English
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Editors	G.G. Matvienko, V.P. Lukin
Pages	190-197
Number of pages	8
Volume	5026
DOIs	https://doi.org/10.1117/12.497203
Publication status	Published - 2003
Event	Ninth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics. Part I: Radiation in the Atmosphere and Ocean - Tomsk, Russian Federation Duration: 2 Jul 2002 → 5 Jul 2002

Other

Other	Ninth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics. Part I: Radiation in the Atmosphere and Ocean
Country	Russian Federation
City	Tomsk
Period	2.7.02 → 5.7.02

Keywords

Adaptive control
Shack-Hartmann sensor
Singular points

ASJC Scopus subject areas

Electrical and Electronic Engineering
Condensed Matter Physics

Access to Document

10.1117/12.497203

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Makenova, N. A., Kanev, F., & Lukin, V. (2003). Analysis of adaptive correction efficiency with account of limitations induced by Shack-Hartmann sensor. In G. G. Matvienko, & V. P. Lukin (Eds.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 5026, pp. 190-197) https://doi.org/10.1117/12.497203

Analysis of adaptive correction efficiency with account of limitations induced by Shack-Hartmann sensor. / Makenova, Nailya Altykhanovna ; Kanev, Feodor; Lukin, Vladimir.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / G.G. Matvienko; V.P. Lukin. Vol. 5026 2003. p. 190-197.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Makenova, NA , Kanev, F & Lukin, V 2003, Analysis of adaptive correction efficiency with account of limitations induced by Shack-Hartmann sensor. in GG Matvienko & VP Lukin (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 5026, pp. 190-197, Ninth Joint International Symposium on Atmospheric and Ocean Optics/Atmospheric Physics. Part I: Radiation in the Atmosphere and Ocean, Tomsk, Russian Federation, 2.7.02. https://doi.org/10.1117/12.497203

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abstract = "Correction for turbulent distortions with an adaptive optics system including Shack-Hartmann sensor is considered in the paper. Efficiency of control was analyzed under conditions of singular points development in a wavefront of a laser beam. It was shown that the presence of dislocations causes the discrepancy of wavefront detection by the sensor and as a consequence leads to the control instabilities. It was also shown that dislocations appear mainly in the peripheral regions of the beam. Using this feature and optimizing the size of the sensor the stable adaptive control could be achieved in an adaptive optics system.",

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