Transverse mode conversion by second harmonic generation is demonstrated using focused axially symmetric, polarized beams with spatial variation of ellipticity. Superposition of higher order transverse modes of Hermite-Gaussian or Laguerre-Gaussian beams forms peculiar intensity patterns.
© 2008 Optical Society of America
(190.0190) Nonlinear optics : Nonlinear optics
(190.2620) Nonlinear optics : Harmonic generation and mixing
(260.0260) Physical optics : Physical optics
(260.5430) Physical optics : Polarization
Y. Kozawa and S. Sato, "Second Harmonic Generation Using Axially Symmetric, Polarized Beams with Spatial Variation of Ellipticity," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CThX5.
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