Related Experiment Video
Updated: Jul 8, 2026
08:21
Laser-induced Forward Transfer for Flip-chip Packaging of Single Dies
Published on: March 20, 2015
56-ps passively Q-switched diode-pumped microchip laser.
Optics Letters
|March 15, 1997
Summary
Researchers developed a passively Q-switched diode-pumped Nd:YVO4 microchip laser. This laser generates tunable, single-frequency pulses ranging from 56 picoseconds to 30 nanoseconds.
Area of Science:
- Lasers and Photonics
- Materials Science
Background:
- Microchip lasers offer compact and efficient laser sources.
- Passively Q-switching is a key technique for generating short laser pulses.
Purpose of the Study:
- To investigate the performance of a passively Q-switched Nd:YVO4 microchip laser.
- To achieve tunable, single-frequency picosecond and nanosecond pulse generation.
Main Methods:
- Utilized a diode-pumped Neodymium-doped Yttrium Orthovanadate (Nd:YVO4) microchip crystal.
- Employed an antiresonant Fabry-Perot saturable absorber for passive Q-switching.
- Varied saturable absorber design parameters and pump power.
Main Results:
- Achieved single-frequency pulses as short as 56 picoseconds (ps).
- Demonstrated tunability of pulse width from 56 ps to 30 nanoseconds (ns).
- Observed a wide range of repetition rates from 27 kilohertz (kHz) to 7 megahertz (MHz).
Conclusions:
- The developed laser system provides versatile, tunable, single-frequency pulsed output.
- The antiresonant Fabry-Perot saturable absorber is effective for controlling pulse characteristics in microchip lasers.
