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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 2 — Jan. 23, 2006
  • pp: 970–978

100-kHz high-power femtosecond Ti:sapphire laser based on downchirped regenerative amplification

Kyung-Han Hong, Sergei Kostritsa, Tae Jun Yu, Jae Hee Sung, Il Woo Choi, Young-Chul Noh, Do-Kyeong Ko, and Jongmin Lee  »View Author Affiliations

Optics Express, Vol. 14, Issue 2, pp. 970-978 (2006)

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We have generated femtosecond pulses with a peak power as high as 0.7 GW at the repetition rate of 100 kHz from a downchirped-pulse amplification (DPA) Ti:sapphire laser. For the high-energy amplification with high repetition rate, we employ a regenerative amplifier, acousto-optically switched and pumped by a Q-switched green laser. The DPA-based dispersion control is achieved up to the third-order term by use of a prism-grating stretcher and a glass compressor. We have obtained 28 μJ, 39 fs laser pulses with a compression efficiency of 95 %. Temporal and spatial characteristics of the laser pulses are investigated.

© 2006 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(320.5520) Ultrafast optics : Pulse compression

ToC Category:
Ultrafast Optics

Kyung-Han Hong, Sergei Kostritsa, Tae Jun Yu, Jae Hee Sung, Il Woo Choi, Young-Chul Noh, Do-Kyeong Ko, and Jongmin Lee, "100-kHz high-power femtosecond Ti:sapphire laser based on downchirped regenerative amplification," Opt. Express 14, 970-978 (2006)

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