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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 7 — Mar. 1, 2008
  • pp: 1015–1019

Silver-mirror-based multipass preamplifier for a broadband terawatt Ti:sapphire laser

Y. W. Lee, Y. H. Cha, J. H. Yi, S. M. Nam, K. Lee, Y. J. Rhee, Y. U. Jeong, and H. K. Cha  »View Author Affiliations


Applied Optics, Vol. 47, Issue 7, pp. 1015-1019 (2008)
http://dx.doi.org/10.1364/AO.47.001015


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Abstract

We have developed a silver-mirror-based multipass preamplifier for a broadband amplification in a terawatt Ti:sapphire laser. With the extremely broad bandwidth of the silver mirrors, a very broad amplified spectrum can be generated at an amplified energy of 4 mJ ; the amplified spectral width is 65 nm at half maximum and 160 nm at 25 dB without any spectral shaping technique. Such a broad amplification can be explained well by the simulation that includes gain narrowing and gain saturation. Even after a further amplification to an energy of 600 mJ , the amplified spectrum is broad enough to support an 20 fs transform-limited pulse duration.

© 2008 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3590) Lasers and laser optics : Lasers, titanium
(140.7090) Lasers and laser optics : Ultrafast lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 31, 2007
Revised Manuscript: December 6, 2007
Manuscript Accepted: January 2, 2008
Published: February 29, 2008

Citation
Y. W. Lee, Y. H. Cha, J. H. Yi, S. M. Nam, K. Lee, Y. J. Rhee, Y. U. Jeong, and H. K. Cha, "Silver-mirror-based multipass preamplifier for a broadband terawatt Ti:sapphire laser," Appl. Opt. 47, 1015-1019 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-7-1015

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