Generation of vector polarization in a Nd:YAG laser | Zendy

Sanbin Chen | Zendy; Jianlang Li | Zendy; Shouhuan Zhou | Zendy; Hong Zhao | Zendy; Kenichi Ueda | Zendy

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Generation of vector polarization in a Nd:YAG laser

Author(s) -

Sanbin Chen,

Jianlang Li,

Shouhuan Zhou,

Hong Zhao,

Kenichi Ueda

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.015136

Subject(s) - optics , laser , materials science , birefringence , polarization (electrochemistry) , fiber laser , laser power scaling , laser pumping , discriminator , diode pumped solid state laser , physics , chemistry , detector

We demonstrated the generation of an azimuthally and radially polarized laser beam in a Nd:YAG laser in which a birefringent yttrium vanadate (c-cut YVO 4 ) crystal was used as the intra-cavity polarization discriminator. AP and RP with respective output 2.4W (o-o efficiency of 35.4%, M 2 = 2.3) and 2.52W (o-o efficiency of 37.2%, M 2 = 2.4) were generated at absorbed pump power 6.78W. We discuss a simple method for converting between azimuthal and radial polarizations by only regulating input pump power and mechanism of mode selection in the laser. This vector laser will facilitate many applications.

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