Control of Vortex Helicity With a Quarter-Wave Plate in an Er:YAG Ceramic Solid State Laser

Control of Vortex Helicity With a Quarter-Wave Plate in an Er:YAG Ceramic Solid State Laser

In this paper, we research the characteristics of the Laguerre-Gaussian (LG<sub>01</sub>) beams generated in an Er:YAG ceramic solid state laser pumped by an annular beam. The generated two LG<sub>01</sub> beams (LG<sub>0,&#x002B;1 </sub> and LG<sub>0,&a...

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Bibliographic Details
Main Authors: Qiyao Liu, Yongguang Zhao, Wei Zhou, Jianing Zhang, Li Wang, Weichao Yao, Deyuan Shen
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Photonics Journal
Subjects:
Optical vortices
solid lasers
Er:YAG ceramic
helicity control.
Online Access:https://ieeexplore.ieee.org/document/7797215/
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Summary:In this paper, we research the characteristics of the Laguerre-Gaussian (LG<sub>01</sub>) beams generated in an Er:YAG ceramic solid state laser pumped by an annular beam. The generated two LG<sub>01</sub> beams (LG<sub>0,&#x002B;1 </sub> and LG<sub>0,&#x2212;1</sub> modes) were found to have different thermally induced polarization behaviors and alternately existed in the resonator; then, a novel method was proposed and experimentally demonstrated to control the vortex helicity using a simple quarter-wave plate.
ISSN:1943-0655

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