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Proceedings Article

High-energy and high-power Yb:KGW femtosecond regenerative amplifier

[+] Author Affiliations
Taisuke Miura, Shinji Ito

OMRON Laserfront Inc. (Japan)

Proc. SPIE 7203, Commercial and Biomedical Applications of Ultrafast Lasers IX, 72030U (February 24, 2009); doi:10.1117/12.808594
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From Conference Volume 7203

  • Commercial and Biomedical Applications of Ultrafast Lasers IX
  • Joseph Neev; Stefan Nolte; Alexander Heisterkamp; Rick P. Trebino
  • San Jose, CA | January 24, 2009

abstract

We are developing directly diode-pumped femtosecond lasers for industrial applications. A mode-locked Yb:KYW laser with the pulse duration of 113 fs has been developed as a seed laser. An Yb:KGW crystal in the regenerative amplifier is pumped by a 75-W fiber-coupled laser diode. The seed pulse was amplified to 0.82 mJ at the repetition rate of 1 kHz. At the repetition rate of 100 kHz, the averaged output achieved more than 3 W after pulse compression. The power stability during four hours was 1.56 % (3σ). We confirmed that the amplified pulse was compressed to nearly Fourier transform limit. The calculated transform limited pulse width and the measured pulse width was 319 fs and 339 fs, respectively.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Taisuke Miura and Shinji Ito
"High-energy and high-power Yb:KGW femtosecond regenerative amplifier", Proc. SPIE 7203, Commercial and Biomedical Applications of Ultrafast Lasers IX, 72030U (February 24, 2009); doi:10.1117/12.808594; http://dx.doi.org/10.1117/12.808594


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