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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 7 — Mar. 1, 2013
  • pp: 1517–1522

Efficient amplification of a femtosecond Ti:sapphire laser with a ring regenerative amplifier

Wei Zhang, Hao Teng, Zhaohua Wang, Zhongwei Shen, and Zhiyi Wei  »View Author Affiliations

Applied Optics, Vol. 52, Issue 7, pp. 1517-1522 (2013)

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A high-stability and high-efficiency ring Ti:sapphire regenerative amplifier is demonstrated based on a double-gating pulse picker at a repetition rate of 1 kHz. Pulse energy up to 5.7 mJ is obtained using a pump energy of 20.0 mJ at 527 nm, corresponding to a relatively high slope efficiency of 30.3%. After a grating compressor, the laser pulse is compressed to 37.2 fs with an energy of 4.1 mJ. The beam quality factors M2 are 1.4 and 1.3 in tangential and sagittal directions, respectively. The measured root mean square energy stability is better than 0.31% over an 11 h period.

© 2013 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3560) Lasers and laser optics : Lasers, ring
(140.7090) Lasers and laser optics : Ultrafast lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 8, 2012
Revised Manuscript: February 1, 2013
Manuscript Accepted: February 3, 2013
Published: February 28, 2013

Wei Zhang, Hao Teng, Zhaohua Wang, Zhongwei Shen, and Zhiyi Wei, "Efficient amplification of a femtosecond Ti:sapphire laser with a ring regenerative amplifier," Appl. Opt. 52, 1517-1522 (2013)

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