Correction of vortex laser beam in a closed-loop adaptive system with bimorph mirror
Optics Letters, Vol. 34, Issue 15, pp. 2264-2266 (2009)
http://dx.doi.org/10.1364/OL.34.002264
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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 Strehl 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.
© 2009 Optical Society of America
OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(050.4865) Diffraction and gratings : Optical vortices
(220.1080) Optical design and fabrication : Active or adaptive optics
ToC Category:
Atmospheric and Oceanic Optics
History
Original Manuscript: May 13, 2009
Revised Manuscript: June 22, 2009
Manuscript Accepted: June 22, 2009
Published: July 17, 2009
Citation
F. A. Starikov, G. G. Kochemasov, M. O. Koltygin, S. M. Kulikov, A. N. Manachinsky, N. V. Maslov, S. A. Sukharev, V. P. Aksenov, I. V. Izmailov, F. Yu. Kanev, V. V. Atuchin, and I. S. Soldatenkov, "Correction of vortex laser beam in a closed-loop adaptive system with bimorph mirror," Opt. Lett. 34, 2264-2266 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-15-2264
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