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Updated: Jun 19, 2026
10:17
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
High-power longitudinally end-diode-pumped Nd:YLF regenerative amplifier
Optics Letters
|October 28, 2009
Summary
We developed a compact, high-power diode-pumped neodymium-doped yttrium lithium fluoride (Nd:YLF) regenerative amplifier. This system achieves high pulse energy, making it suitable for various laser applications.
Area of Science:
- Lasers and Optics
- Materials Science
Background:
- Regenerative amplifiers are crucial for amplifying laser pulses to high energies.
- Diode-pumped solid-state lasers offer efficiency and compactness.
Purpose of the Study:
- To describe a novel high-power, compact diode-pumped Nd:YLF regenerative amplifier.
- To detail the pumping mechanism and performance characteristics of the amplifier.
Main Methods:
- Utilized a 15-W diode-laser array as the pumping source.
- Employed a longitudinal end-pumping arrangement with cylindrical microlenses.
- Seeded the amplifier with 15-ps pulses from a mode-locked Nd:YLF oscillator.
Main Results:
- Achieved 0.5-mJ pulse energy at a 1-kHz repetition rate.
- Obtained pulse energies as high as 0.75 mJ at lower repetition rates (500 Hz and below).
- Demonstrated a compact and efficient laser amplification system.
Conclusions:
- The developed diode-pumped Nd:YLF regenerative amplifier offers high-power output in a compact form factor.
- The end-pumping configuration effectively utilizes the diode laser source for efficient amplification.
- This system presents a viable solution for applications requiring high-energy laser pulses.
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