Related Experiment Video
Updated: Jul 7, 2026
10:17
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Summary
A new laser-diode-pumped continuous-wave (cw) Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) active-mirror laser was designed. Thermal analysis indicates potential for increased output power by optimizing pump beam diameter and power.
Area of Science:
- Optics and Photonics
- Laser Physics
- Materials Science
Background:
- Active-mirror lasers offer compact designs for high-power applications.
- Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) is a widely used laser medium.
- Efficient pumping is crucial for optimizing laser performance.
Purpose of the Study:
- To present a simple design for a laser-diode-pumped cw Nd:YAG active-mirror laser.
- To conduct a thermal analysis of the Nd:YAG crystal within the laser.
- To identify parameters for enhancing laser output power.
Main Methods:
- Design and construction of a laser-diode-pumped cw Nd:YAG active-mirror laser.
- Experimental measurement of output power and beam quality.
- Thermal analysis of the laser crystal under pumping conditions.
Main Results:
- Achieved a continuous-wave (cw) output power of 2.4 W.
- Obtained an M(2) beam quality factor below 1.9.
- Incident pumping power was 8.9 W.
Conclusions:
- The developed laser design is functional and provides good beam quality.
- Thermal analysis predicts that output power can be increased.
- Optimization of pump beam diameter and pump power is recommended for higher output.
