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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 20 — Oct. 15, 2009
  • pp: 3166–3168

Radially polarized annular beam generated through a second-harmonic-generation process

Shunichi Sato and Yuichi Kozawa  »View Author Affiliations


Optics Letters, Vol. 34, Issue 20, pp. 3166-3168 (2009)
http://dx.doi.org/10.1364/OL.34.003166


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Abstract

A radially polarized beam with an annular intensity pattern was generated through a second-harmonic-generation process by focusing an azimuthally polarized Ti:sapphire pulsed laser beam to a c-cut β-barium borate (BBO) crystal. The annular intensity pattern of the second-harmonic wave had a nearly sixfold symmetry as a result of the nonlinear susceptibility tensor of the BBO crystal. The width of the annulus was as narrow as less than 1/40th of its radius.

© 2009 Optical Society of America

OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(190.2620) Nonlinear optics : Harmonic generation and mixing
(260.5430) Physical optics : Polarization

ToC Category:
Physical Optics

History
Original Manuscript: July 1, 2009
Revised Manuscript: September 2, 2009
Manuscript Accepted: September 9, 2009
Published: October 9, 2009

Citation
Shunichi Sato and Yuichi Kozawa, "Radially polarized annular beam generated through a second-harmonic-generation process," Opt. Lett. 34, 3166-3168 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-20-3166

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