研究目的
Investigating the performance of a passively Q-switched Yb:Lu0.74Y0.23La0.01VO4 laser using a two-dimensional molybdenum ditelluride (MoTe2) saturable absorber.
研究成果
The study successfully demonstrated a passively Q-switched Yb:Lu0.74Y0.23La0.01VO4 laser using a MoTe2 saturable absorber, achieving a shortest pulse width of 500 ns and a maximum single pulse energy of 2.8 μJ. The results indicate that MoTe2 is a suitable saturable absorber for 1.0 μm lasers, offering potential for high pulse energy applications.
研究不足
The study is limited to the characterization of MoTe2 as a saturable absorber for 1.0 μm lasers and does not explore its application in other wavelength ranges or compare it with other saturable absorbers extensively.
1：Experimental Design and Method Selection:
The study employed a passively Q-switched laser setup with a MoTe2 saturable absorber. The nonlinear optical properties of MoTe2 were characterized using an open aperture Z-scan method.
2：Sample Selection and Data Sources:
Few-layered 2D MoTe2 nanosheets were fabricated by liquid phase exfoliation (LPE) method and used as the saturable absorber.
3：List of Experimental Equipment and Materials:
A fiber-coupled laser diode, Yb:Lu0.74Y0.23La0.01VO4 crystal, MoTe2 saturable absorber, optical collimating and focusing system, and various mirrors and detectors were used.
4：74Y23La01VO4 crystal, MoTe2 saturable absorber, optical collimating and focusing system, and various mirrors and detectors were used.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The laser diode pumped the Yb:Lu0.74Y0.23La0.01VO4 crystal, and the MoTe2 saturable absorber was placed between the crystal and the output mirror to achieve Q-switching.
5：74Y23La01VO4 crystal, and the MoTe2 saturable absorber was placed between the crystal and the output mirror to achieve Q-switching.
Data Analysis Methods:
5. Data Analysis Methods: The performance of the laser was analyzed in terms of output power, pulse width, repetition rate, and peak power.
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