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Updated: May 24, 2026
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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Pulsed operation of a high average power Yb:YAG thin-disk multipass amplifier
M Schulz1, R Riedel, A Willner
1Deutsches Elektronensynchrotron DESY, Notkestrasse 85, 22607 Hamburg, Germany. mi.schulz@desy.de
Optics Express
|March 16, 2012
Summary
A new Ytterbium-doped Yttrium Aluminum Garnet (Yb:YAG) thin-disk laser amplifier was developed. It achieves high average power during burst operation, setting a new record for this amplifier type.
Area of Science:
- Laser Physics
- High-Power Lasers
- Materials Science
Background:
- Thin-disk laser amplifiers offer high power scalability.
- Yb:YAG gain medium is suitable for high-energy, ultrafast pulse generation.
- Burst operation mode enables high average power delivery.
Purpose of the Study:
- To develop a Yb:YAG thin-disk multipass laser amplifier system.
- To investigate burst operation mode with high intra-burst repetition rate.
- To achieve high average output pulse energy and power.
Main Methods:
- Development of a Yb:YAG thin-disk multipass amplifier.
- Implementation of 10 Hz burst operation mode (800 µs duration, 100 kHz intra-burst rate).
- Suppression of parasitic amplified spontaneous emission.
Main Results:
- Average output pulse energy up to 44.5 mJ.
- Compressed pulse duration of 820 fs.
- Average power of 4.45 kW during burst, a record for this amplifier type.
Conclusions:
- The developed Yb:YAG thin-disk amplifier successfully operates in a high-repetition-rate burst mode.
- Parasitic amplified spontaneous emission was effectively suppressed.
- The system demonstrates record-breaking average power for this laser architecture.
