Abstract
We report the direct generation of vector vortex laser modes at 640 nm from a compact, diode end-pumped continuous-wave Pr3+:LiYF4 (YLF) laser that utilizes an intracavity lens and diaphragm. On-axis displacement of the intracavity lens, combined with appropriate choice of the intracavity diaphragm, enables selective generation of a desired radial and azimuthal vector laser mode. Such compact, vector vortex laser sources based on Pr3+:YLF in the visible wavelength region are a significant enabling technology for a wide range of applications.
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