Pulse energy control in Q-switched, diode-pumped solid-state lasers.

Area of Science:

• Laser physics and engineering
• Optical systems control

Background:

• Q-switched diode-pumped Nd:YLF lasers are crucial for various scientific and industrial applications.
• Precise control over laser parameters like repetition rate and pulse energy is essential for optimal performance.

Purpose of the Study:

• To develop and evaluate a control system for Q-switched diode-pumped Nd:YLF lasers.
• To demonstrate stable laser operation across a broad spectrum of repetition rates.

Main Methods:

• Implementation of a random scanning control system.
• Integration with a Q-switched diode-pumped Nd:YLF laser.
• Characterization of pulse-energy jitter at varying repetition rates.

Main Results:

• The control system successfully scanned laser repetition rates from hertz to kilohertz.
• Achieved pulse-energy jitter of less than +/-5% (3-sigma).
• Demonstrated robust performance across the tested repetition rate range.

Conclusions:

• The developed control system provides stable and reliable operation for Q-switched diode-pumped Nd:YLF lasers.
• The system's low pulse-energy jitter makes it suitable for demanding laser applications.
• This advancement contributes to enhanced control capabilities in laser technology.