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Proceedings Paper

High-energy and high-power Yb:KGW femtosecond regenerative amplifier
Author(s): Taisuke Miura; Shinji Ito
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Paper 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.

Paper Details

Date Published: 25 February 2009
PDF: 8 pages
Proc. SPIE 7203, Commercial and Biomedical Applications of Ultrafast Lasers IX, 72030U (25 February 2009); doi: 10.1117/12.808594
Show Author Affiliations
Taisuke Miura, OMRON Laserfront Inc. (Japan)
Shinji Ito, OMRON Laserfront Inc. (Japan)

Published in SPIE Proceedings Vol. 7203:
Commercial and Biomedical Applications of Ultrafast Lasers IX
Joseph Neev; Stefan Nolte; Alexander Heisterkamp; Rick P. Trebino, Editor(s)

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