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Optics Letters

Optics Letters


  • Editor: Anthony J. Campilo
  • Vol. 32, Iss. 17 — Sep. 1, 2007
  • pp: 2487–2489

1.5 mJ , 6.4 fs parametric chirped-pulse amplification system at 1 kHz

S. Adachi, H. Ishii, T. Kanai, N. Ishii, A. Kosuge, and S. Watanabe  »View Author Affiliations

Optics Letters, Vol. 32, Issue 17, pp. 2487-2489 (2007)

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We demonstrate an optical parametric chirped-pulse amplification (OPCPA) system with the pulse energy of 1.5 mJ at a 1 kHz repetition rate. The newly developed 100 ps Ti:sapphire pump laser system, which was optically synchronized with OPCPA seed pulses, delivered 10 mJ , 400 nm pump pulses. After three-stage parametric amplification, recompression of the amplifier output from 45 ps to 6.4 fs was performed. The pulse width of 6.4 fs is, to our knowledge, the shortest ever obtained by OPCPA, and the average power of 1.5 W ( 1.5 mJ , 1 kHz ) is believed to be the highest among few-cycle OPCPA systems.

© 2007 Optical Society of America

OCIS Codes
(140.7090) Lasers and laser optics : Ultrafast lasers
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.5520) Ultrafast optics : Pulse compression

ToC Category:
Ultrafast Optics

Original Manuscript: June 11, 2007
Manuscript Accepted: July 3, 2007
Published: August 16, 2007

S. Adachi, H. Ishii, T. Kanai, N. Ishii, A. Kosuge, and S. Watanabe, "1.5 mJ, 6.4 fs parametric chirped-pulse amplification system at 1 kHz," Opt. Lett. 32, 2487-2489 (2007)

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