A novel three-dimensional laser focus, with a horseshoe-shaped longitudinal intensity profile, was realized experimentally from a single laser beam by the incoherent coaxial combination of Laguerre-Gaussian and Gaussian modes generated from segmented optical elements.
© 2007 OSA
(100.0100) Image processing : Image processing
(100.5090) Image processing : Phase-only filters
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3300) Lasers and laser optics : Laser beam shaping
P. Brijesh, T. J. Kessler, J. D. Zuegel, and D. D. Meyerhofer, "Spatially Shaping the Longitudinal Focal Distribution into a Horseshoe-Shaped Profile," 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, 2007), paper JThD127.
References are not available for this paper.