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Compact nanosecond Yb:YAG/V:YAG solid-state laser generating switchable radially and azimuthally beams.
Optics Express
|February 14, 2023
Summary
We developed a compact solid-state laser producing stable nanosecond pulses with switchable radial and azimuthal polarization. This laser offers a new method for generating structured light for micro/nano material processing applications.
Area of Science:
- Lasers and Photonics
- Materials Science
Background:
- Solid-state lasers are crucial for various scientific and industrial applications.
- Generating structured light with specific polarization states is essential for advanced material processing.
Purpose of the Study:
- To demonstrate a compact, self-starting nanosecond Yb:YAG/V:YAG solid-state laser.
- To achieve stable Q-switched pulse output with switchable cylindrical vector beams.
Main Methods:
- Utilized an Yb:YAG/V:YAG gain medium for laser operation.
- Employed an intracavity S-waveplate mode converter to generate cylindrical vector beams.
- Optimized laser parameters to achieve stable Q-switched pulses.
Main Results:
- Achieved stable Q-switched pulses at 1030.07 nm with a repetition rate of 3.61 kHz and a minimum pulse width of 26 ns.
- Successfully generated switchable radially and azimuthally polarized beams with high polarization extinction ratios (92.3% and 89.6%, respectively).
- Demonstrated a compact and self-starting laser configuration.
Conclusions:
- The developed laser provides a stable source of nanosecond structured light.
- The compact design and versatile beam generation capabilities are beneficial for applications in micro/nano material processing.
