Title: Generation of multi-axis Laguerre-Gaussian beams from geometric modes of a hemiconfocal cavity
Authors: Lu, T. H.
Lin, Y. C.
Chen, Y. F.
Huang, K. F.
電子物理學系
Department of Electrophysics
Issue Date: 1-Jun-2011
Abstract: We study the transformation of multi-axis Laguerre-Gaussian beams from optical beams comprising Hermite-Gaussian modes with ray-wave duality. By use of cylindrical lenses, Hermite-Gaussian modes can be transformed into Laguerre-Gaussian modes possessing optical orbital angular momentum. The superposed Hermite-Gaussian modes localized on geometric trajectories are generated from a degenerate hemiconfocal cavity and transformed into multi-axis Laguerre-Gaussian beams. Experimental results of the structured beams are systematically manipulated and in good agreement with theoretical analyses.
URI: http://dx.doi.org/10.1007/s00340-010-4313-2
http://hdl.handle.net/11536/8805
ISSN: 0946-2171
DOI: 10.1007/s00340-010-4313-2
Journal: APPLIED PHYSICS B-LASERS AND OPTICS
Volume: 103
Issue: 4
Begin Page: 991
End Page: 999
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