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Diode-pumped microchip lasers electro-optically Q switched at high pulse repetition rates
Optics Letters
|October 3, 2009
Summary
This study demonstrates a diode-pumped, electro-optically Q-switched Nd:YAG microchip laser achieving 50 mW output power. Its tunable pulse duration and multikilowatt peak power enable efficient nonlinear frequency conversion and material ablation.
Area of Science:
- Lasers and Photonics
- Materials Science
Background:
- Microchip lasers offer compact and efficient laser sources.
- Q-switching enables high peak power pulses from lasers.
Purpose of the Study:
- To characterize the output performance of a diode-pumped, electro-optically Q-switched Nd:YAG microchip laser.
- To evaluate the potential applications of this laser system.
Main Methods:
- Utilized a diode-pumped Nd:YAG microchip laser.
- Employed electro-optic Q-switching for pulse generation.
- Varied pulse repetition rates from 5 kHz to 500 kHz.
Main Results:
- Achieved approximately 50 mW time-averaged output power at 1.064 µm.
- Observed pulse durations ranging from <300 ps to 13.3 ns, proportional to repetition rate.
- Demonstrated multikilowatt peak power at low repetition rates.
Conclusions:
- The developed laser system provides tunable pulse characteristics suitable for various applications.
- High peak power facilitates efficient nonlinear frequency conversion.
- The laser's capability to ablate thin metal layers was confirmed.
