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

Qiyao Liu | Zendy; Yongguang Zhao | Zendy; Wei Zhou | Zendy; Jianing Zhang | Zendy; Li Wang | Zendy; Weichao Yao | Zendy; Deyuan Shen | Zendy

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

Author(s) -

Qiyao Liu,

Yongguang Zhao,

Wei Zhou,

Jianing Zhang,

Li Wang,

Weichao Yao,

Deyuan Shen

Publication year - 2016

Publication title -

ieee photonics journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.725

H-Index - 73

eISSN - 1943-0655

pISSN - 1943-0647

DOI - 10.1109/jphot.2016.2644965

Subject(s) - engineered materials, dielectrics and plasmas , photonics and electrooptics

In this paper, we research the characteristics of the Laguerre-Gaussian (LG01) beams generated in an Er:YAG ceramic solid state laser pumped by an annular beam. The generated two LG01 beams (LG0,+1 and LG0,-1 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.

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