Chinese Optics Letters, 2020, 18 (12): 121401, Published Online: Oct. 23, 2020
Cylindrical vector beam rotary Nd:YAG disk laser with birefringent crystal Download: 593次
Abstract
A rotating neodymium-doped yttrium aluminum garnet (Nd:YAG) disk laser resonator for efficiently generating vector beams with azimuthal and radial polarization is demonstrated. In the study, the laser crystal rotary for thermal alleviation and polarization discrimination uses c-cut ytterbium vanadate (YVO4). The laser output could be switched between azimuthal and radial polarizations by simply adjusting the cavity length. The laser power reached 4.38 W and 4.64 W for azimuthally and radially polarized beams at the slope efficiencies of 45.3% and 48.5%, respectively. Our study proved that an efficient, high-power vector rotary disk laser would be realistic.
Sanbin Chen, Jianlang Li, Ken-Ichi Ueda. Cylindrical vector beam rotary Nd:YAG disk laser with birefringent crystal[J]. Chinese Optics Letters, 2020, 18(12): 121401.