Title: Direct generation of optical bottle beams from a tightly focused end-pumped solid-state laser
Authors: Tai, PT
Hsieh, WF
Chen, CH
光電工程學系
Department of Photonics
Issue Date: 29-Nov-2004
Abstract: We demonstrate that various optical bottle beams can be directly generated from a tightly focused end-pumped Nd:YVO4 laser. By controlling the size of pump beam and intracavity aperture in a planoconcave cavity, we obtain well contrasting optical bottles with semiconfocal, 1/3-, and 1/5-degenerate cavity configurations. These beams result, respectively, from the superposition of the fundamental mode and the corresponding lowest degenerate transverse eigenmode, which is in-phase at their beam waists. Unlike that of our previous simulation model, this new observation is universal; it is suitable for any kind of gain media in tightly end-pumped lasers. (C) 2004 Optical Society of America.
URI: http://dx.doi.org/10.1364/OPEX.12.005827
http://hdl.handle.net/11536/25624
ISSN: 1094-4087
DOI: 10.1364/OPEX.12.005827
Journal: OPTICS EXPRESS
Volume: 12
Issue: 24
Begin Page: 5827
End Page: 5833
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