Spontaneous generation of vortex and coherent vector beams from a thin-slice c-cut Nd:GdVO4 laser with wide-aperture laser-diode end pumping: Application to highly sensitive rotational and translational Doppler velocimetry

Kenju Otsuka, Shu Chun Chu

研究成果: Article

3 引文 斯高帕斯(Scopus)

摘要

Selective excitation of Laguerre-Gauss modes (optical vortices: helical LG0,2 and LG0,1), reflecting their weak transverse cross-saturation of population inversions against a preceding higher-order Ince-Gauss (IG0,2) or Hermite-Gauss (HG2,1) mode, was observed in a thin-slice c-cut Nd:GdVO4 laser with wide-aperture laser-diode end pumping. Single-frequency coherent vector beams were generated through the transverse mode locking of a pair of orthogonally polarized IG2,0 and LG0,2 or HG2,1 and LG0,1 modes. Highly sensitive self-mixing rotational and translational Doppler velocimetry is demonstrated by using vortex and coherent vector beams.

原文English
文章編號075002
期刊Laser Physics Letters
14
發行號7
DOIs
出版狀態Published - 2017 七月

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Physics and Astronomy (miscellaneous)

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