研究目的
Investigating the output characteristics of a diode-pumped novel Ho : GTO laser with a pump recycling scheme.
研究成果
The diode-pumped Ho : GTO laser with a pump recycling scheme achieves a high output power and slope efficiency, making it a promising candidate for middle-infrared applications. Future work will explore Q-switching performance.
研究不足
The study is limited to continuous-wave operation and does not explore pulsed or Q-switched regimes. The pump power and crystal dimensions may also limit scalability.
1：Experimental Design and Method Selection:
The study employs a pump recycling scheme to enhance the efficiency of a diode-pumped Ho : GTO laser.
2：Sample Selection and Data Sources:
A c-cut Ho : GTO crystal with specific dimensions and coatings is used.
3：List of Experimental Equipment and Materials:
Includes a fiber-coupled LD, lenses for beam collimation and focusing, a thermoelectric cooler, and a power meter.
4：Experimental Procedures and Operational Workflow:
The setup involves an L-shaped oscillator with specific mirrors and an output coupler to study the laser's output characteristics.
5：Data Analysis Methods:
Output powers and spectra are recorded using a power meter and a wavemeter, respectively, with the M2 factor estimated using the knife-edge technique.
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