Title :
Spatially shaping the longitudinal focal distribution into a horseshoe-shaped profile
Author :
Brijesh, P. ; Kessler, T.J. ; Zuegel, J.D. ; Meyerhofer, D.D.
Author_Institution :
Department of Physics & Astronomy, University of Rochester, NY, USA
Abstract :
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.
Keywords :
Laser beams; Laser modes; Laser theory; Lenses; Optical beams; Optical distortion; Optical modulation; Optical retarders; Spirals; Zirconium;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431071