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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 14 — Jul. 15, 2003
  • pp: 1185–1187

Manifestation of the rotational Doppler effect by use of an off-axis optical vortex beam

I. V. Basistiy, V. V. Slyusar, M. S. Soskin, M. V. Vasnetsov, and A. Ya. Bekshaev  »View Author Affiliations


Optics Letters, Vol. 28, Issue 14, pp. 1185-1187 (2003)
http://dx.doi.org/10.1364/OL.28.001185


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Abstract

We report what is to our knowledge the first all-optical detection of the frequency beats between Gaussian and Laguerre–Gaussian LG01 modes in their axial superposition, caused by the rotational Doppler effect. The relation between the observable off-axis optical vortex rotation and the rotational frequency shift of the Laguerre–Gaussian component is ascertained. The results can be used as a physical basis for recognition of Laguerre–Gaussian mode spectra along their orbital angular momenta.

© 2003 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(230.0230) Optical devices : Optical devices
(350.5030) Other areas of optics : Phase

Citation
I. V. Basistiy, V. V. Slyusar, M. S. Soskin, M. V. Vasnetsov, and A. Ya. Bekshaev, "Manifestation of the rotational Doppler effect by use of an off-axis optical vortex beam," Opt. Lett. 28, 1185-1187 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-14-1185

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