The generation of an annular-shaped, higher-order vector Bessel-Gaussian beam is demonstrated by a c-cut Nd:YVO4 crystal with an annular-shaped gain. The polarization of the generated beam is controlalbe by changing the cavity length.
© 2012 OSA
R. Takeuchi, Y. Kozawa, and S. Sato, "Vector Bessel-Gaussian Beam Generation from a c-cut Nd:YVO4 Crystal with an Annular-Shaped Gain," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper JW2A.32.
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