研究目的
Investigating the utilization of Co:Spinel as a saturable absorber for an eye-safe Er:YAG laser generating at 1645 nm wavelength.
研究成果
The utilization of Co:MgAl2O4 as a saturable absorber for an eye-safe Er:YAG laser generating at 1645 nm wavelength was proved for the first time. This compact laser system with 65 ns long stable pulses could be a good alternative for LIDAR or spectroscopy applications.
研究不足
The study is limited to the specific wavelength of 1645 nm and the use of Co:Spinel as a saturable absorber. Further research could explore other wavelengths and materials.
1：Experimental Design and Method Selection:
The study focused on using Co:Spinel as a saturable absorber for Q-switching an Er:YAG laser.
2：Sample Selection and Data Sources:
An erbium-doped yttrium aluminium garnet crystal sample with
3：5% Er doping concentrations was used as the active medium. List of Experimental Equipment and Materials:
The setup included a Co:Spinel crystal, a fibre-coupled laser diode, and various optical components.
4：Experimental Procedures and Operational Workflow:
The Co:Spinel crystal was placed between the active medium and the output coupler for passive Q-switching.
5：Data Analysis Methods:
The performance was evaluated based on pulse length, mean output power, and spatial structure of the output radiation.
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