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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 18 — Sep. 15, 2010
  • pp: 3096–3098

Contrast enhancement in a Ti:sapphire chirped-pulse amplification laser system with a noncollinear femtosecond optical-parametric amplifier

Cheng Liu, Zhaohua Wang, Weichang Li, Qing Zhang, Hainian Han, Hao Teng, and Zhiyi Wei  »View Author Affiliations


Optics Letters, Vol. 35, Issue 18, pp. 3096-3098 (2010)
http://dx.doi.org/10.1364/OL.35.003096


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Abstract

We experimentally demonstrated the contrast enhancement in a Ti:sapphire chirped-pulse amplification (CPA) laser with a noncollinear femtosecond optical-parametric amplifier. A total gain of 3.4 × 10 4 and pulse energy of 26 μJ were achieved. With the clean high-energy seeding pulse, the contrast ratio of the main amplified laser pulse to the amplified spontaneous emission in the Ti: sapphire CPA laser system was improved to around 10 10 within the time scale of hundreds of picoseconds.

© 2010 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.7160) Ultrafast optics : Ultrafast technology

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 19, 2010
Revised Manuscript: July 25, 2010
Manuscript Accepted: August 15, 2010
Published: September 9, 2010

Citation
Cheng Liu, Zhaohua Wang, Weichang Li, Qing Zhang, Hainian Han, Hao Teng, and Zhiyi Wei, "Contrast enhancement in a Ti:sapphire chirped-pulse amplification laser system with a noncollinear femtosecond optical-parametric amplifier," Opt. Lett. 35, 3096-3098 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-18-3096


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