研究目的
Demonstrating a watt-level directly diode-pumped continuous-wave Ti:Sapphire oscillator using a high-power green laser-diode-pumped module.
研究成果
The study successfully demonstrated a watt-level directly diode-pumped continuous-wave Ti:Sapphire oscillator with a high-power green laser-diode-pumped module, achieving a 1.36-W output power and 10.6% slope efficiency. This represents the highest CW output power from a Ti:Sapphire oscillator directly pumped by green laser diodes reported to date.
研究不足
The study mentions the need for optimizing the beam quality of the pump module and further increasing the pumping power to improve the optical-to-optical conversion efficiency.
1：Experimental Design and Method Selection:
The study employed beam shaping, beam collimation, polarization beam combining, and fiber coupling technologies to design a high-power green laser-diode-pumped module for a Ti:Sapphire oscillator.
2：Sample Selection and Data Sources:
The experiment used a Ti:Sapphire crystal with different lengths and doping concentrations.
3：List of Experimental Equipment and Materials:
A high-power fiber-coupled 517 nm LD array emitting
4：68 W was used as the pump source. Experimental Procedures and Operational Workflow:
The experiment involved adjusting the position of the output coupler to ensure the DC cavity configuration worked at the second stability region of the thermal lens focal length.
5：Data Analysis Methods:
The output power and slope efficiency were measured and analyzed.
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