Wave front sensing of an optical vortex

F. A. Starikov; V. P. Aksenov; I. V. Izmailov; F. Yu. Kanev; G. G. Kochemasov; S. M. Kulikov; A. N. Manachinsky; N. V. Maslov; A. V. Ogorodnikov; S. A. Sukharev

doi:10.1117/12.739428

26 April 2007 Wave front sensing of an optical vortex

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

Author Affiliations +

Proceedings Volume 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 63463U (2007) https://doi.org/10.1117/12.739428
Event: XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2006, Gmunden, Austria

Abstract

The sensing of phase front of the vortex laser beam has been carried out with the help of a Hartmann-Shack sensor. The vortex beam is generated in the form of a Laguerre-Gaussian beam (LG₀¹ mode) with the help of the special helicoidal phase plates manufactured by the kinoform technology. The measured shifts of focal spots on the hartmannogram are compared with the calculated shifts. From the measured wave front tilts the reconstruction of singular phase surface has been performed.

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F. A. Starikov, V. P. Aksenov, I. V. Izmailov, F. Yu. Kanev, G. G. Kochemasov, S. M. Kulikov, A. N. Manachinsky, N. V. Maslov, A. V. Ogorodnikov, and S. A. Sukharev "Wave front sensing of an optical vortex", Proc. SPIE 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 63463U (26 April 2007); https://doi.org/10.1117/12.739428

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