Correction of vortex laser beam in a closed-loop adaptive system with bimorph mirror

F. A. Starikov, G. G. Kochemasov, M. O. Koltygin, S. M. Kulikov, A. N. Manachinsky, N. V. Maslov, S. A. Sukharev, V. P. Aksenov, V. Izmailov, F. Yu Kanev, V. V. Atuchin, I. S. Soldatenkov

Division for Power and Electrical Engineering

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

The phase correction of a vortex laser beam is undertaken in the closed-loop adaptive system including a Hartmann-Shack wavefront sensor with singular reconstruction technique and a bimorph piezoceramic mirror. After correction the vortex doughnutlike beam is focused into a beam with bright axial spot that considerably increases the Střehl ratio and optical system resolution. Since the phase break cannot be exactly reproduced on the flexible mirror surface, off-axis vortices appear in the far field at the beam periphery.

Original language	English
Pages (from-to)	2264-2266
Number of pages	3
Journal	Optics Letters
Volume	34
Issue number	15
DOIs	https://doi.org/10.1364/OL.34.002264
Publication status	Published - 1 Aug 2009

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.34.002264

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Correction of vortex laser beam in a closed-loop adaptive system with bimorph mirror. / Starikov, F. A.; Kochemasov, G. G.; Koltygin, M. O.; Kulikov, S. M.; Manachinsky, A. N.; Maslov, N. V.; Sukharev, S. A.; Aksenov, V. P.; Izmailov, V.; Kanev, F. Yu; Atuchin, V. V.; Soldatenkov, I. S.

In: Optics Letters, Vol. 34, No. 15, 01.08.2009, p. 2264-2266.

Research output: Contribution to journal › Article › peer-review

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abstract = "The phase correction of a vortex laser beam is undertaken in the closed-loop adaptive system including a Hartmann-Shack wavefront sensor with singular reconstruction technique and a bimorph piezoceramic mirror. After correction the vortex doughnutlike beam is focused into a beam with bright axial spot that considerably increases the St{\v r}ehl ratio and optical system resolution. Since the phase break cannot be exactly reproduced on the flexible mirror surface, off-axis vortices appear in the far field at the beam periphery.",

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AU - Starikov, F. A.

AU - Kochemasov, G. G.

AU - Koltygin, M. O.

AU - Kulikov, S. M.

AU - Manachinsky, A. N.

AU - Maslov, N. V.

AU - Sukharev, S. A.

AU - Aksenov, V. P.

AU - Izmailov, V.

AU - Kanev, F. Yu

AU - Atuchin, V. V.

AU - Soldatenkov, I. S.

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