研究目的
To report the successful generation of Q-switching pulsed fiber laser using a homemade fiber of zirconia-based erbium-doped fiber (Zr-EDF) with the utilization of multi-walled carbon nanotubes-polyethylene oxide (MWCNTs-PEO) as saturable absorber.
研究成果
The development of Q-switching pulsed fiber laser was successfully achieved using zirconia-yttria-aluminium co-doped erbium-doped fiber with 4000 ppm erbium concentration and MWCNTs-PEO saturable absorber. The setup provided high repetition rate, short pulse duration, and high pulse energy, demonstrating its potential for biomedical applications.
研究不足
The experiment was limited by the specific properties of the Zr-EDF and MWCNTs-PEO saturable absorber, including the erbium concentration and the thickness of the saturable absorber film. Potential areas for optimization include the length of the active medium and the composition of the saturable absorber.
1：Experimental Design and Method Selection:
The experiment utilized a homemade Zr-EDF as the active medium and MWCNTs-PEO as the saturable absorber. The setup included a 980/1550 nm wavelength division multiplexer, polarization controller, isolator, and a coupler.
2：Sample Selection and Data Sources:
The MWCNTs-PEO saturable absorber was prepared by mixing MWCNTs with PEO polymer.
3：List of Experimental Equipment and Materials:
Equipment included an ultrasonic cleaner, centrifugation machine, and optical spectrum analyzer. Materials included Zr-EDF, MWCNTs, PEO, and Sodium Dodecyl Sulphate (SDS).
4：Experimental Procedures and Operational Workflow:
The MWCNTs-PEO compound was prepared, dried, and fabricated into a thin film. The film was then integrated into the fiber laser setup to generate Q-switched pulses.
5：Data Analysis Methods:
The output was analyzed using an oscilloscope and optical spectrum analyzer to measure repetition rate, pulse duration, output power, and pulse energy.
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