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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 13, Iss. 1 — Mar. 25, 2009
  • pp: 53–59

Design of a Femtosecond Ti:sapphire Laser for Generation and Temporal Optimization of 0.5-PW Laser Pulses at a 0.1-Hz Repetition Rate

Jae-Hee Sung, Tae-Jun Yu, Seong-Ku Lee, Tae-Moon Jeong, Il-Woo Choi, Do-Kyeong Ko, and Jong-Min Lee  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 13, Issue 1, pp. 53-59 (2009)

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A chirped-pulse amplification Ti:sapphire laser system has been designed using a 10-Hz 100-TW Ti:sapphire laser to generate 0.1-Hz 0.5-PW laser pulses and optimize their temporal qualities such as temporal contrast and pulse duration. A high-energy booster amplifier to be added is expected to produce an energy above 30 J through the parasitic lasing suppression and the efficient amplification. To improve the temporal contrast of the laser pulses, a high-contrast 1-kHz amplifier system is used as a front-end. A grating stretcher which makes the laser pulse have 1-ns duration is used to prevent optical damages due to high pulse energy during amplification. A grating compressor has been designed with group delay analysis to obtain the recompressed pulse duration close to the transform-limited pulse duration. The final laser pulses are expected to have energy above 20 J and duration below 40 fs.

© 2009 Optical Society of Korea

OCIS Codes
(140.3590) Lasers and laser optics : Lasers, titanium
(140.4480) Lasers and laser optics : Optical amplifiers
(140.7090) Lasers and laser optics : Ultrafast lasers
(320.7090) Ultrafast optics : Ultrafast lasers

Original Manuscript: January 5, 2009
Revised Manuscript: February 4, 2009
Manuscript Accepted: February 6, 2009
Published: March 25, 2009

Jae-Hee Sung, Tae-Jun Yu, Seong-Ku Lee, Tae-Moon Jeong, Il-Woo Choi, Do-Kyeong Ko, and Jong-Min Lee, "Design of a Femtosecond Ti:sapphire Laser for Generation and Temporal Optimization of 0.5-PW Laser Pulses at a 0.1-Hz Repetition Rate," J. Opt. Soc. Korea 13, 53-59 (2009)

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