研究目的
Investigating the use of Indium tin oxide (ITO) as an optical switcher in the 2.06 μm region for passively Q-switched laser applications.
研究成果
The study successfully demonstrated the use of ITO as an efficient optical modulator for short-pulse lasers around 2.06 μm. The results suggest potential for further optimization of ITO-SA parameters to enhance laser performance.
研究不足
The study was limited to the use of ITO as a saturable absorber in a specific wavelength region (2.06 μm) and did not explore its performance in other wavelengths or under different experimental conditions.
1：Experimental Design and Method Selection:
The study utilized a Tm:fiber pumped passively Q-switched laser setup with ITO as the saturable absorber. The nonlinear saturable absorption properties of ITO were measured using a mode-locked Tm-doped fiber laser.
2：Sample Selection and Data Sources:
ITO was synthesized by carbothermal reduction method on a borosilicate glass substrate. The laser crystal used was Ho:YLF with a dopant concentration of 0.5% Ho.
3：5% Ho.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: A commercial Tm:fiber laser (TDFL01-00015), a 1-GHz digital oscilloscope (model MDO4104C, Tektronix), a fast photodiode detector (model ET-5000, Electro-Optics), and a power meter (30A-SH-V1, Israel) were used.
4：Experimental Procedures and Operational Workflow:
The experiment involved measuring the output power, pulse width, and repetition rate of the laser with and without the ITO saturable absorber. The beam quality and spatial beam profile were also analyzed.
5：Data Analysis Methods:
The data was analyzed to determine the performance metrics of the laser, including output power, pulse width, repetition rate, single pulse energy, and peak power.
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