, Volume 89, Issue 4, pp 559-563
Date: 29 Nov 2007

An 11-fs, 5-kHz optical parametric/Ti:sapphire hybrid chirped pulse amplification system

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Abstract

We developed a noncollinear optical parametric/Ti:sapphire hybrid chirped pulse amplification system, which consists of a two-pass optical parametric amplifier and multipass Ti:sapphire amplifiers with adaptive phase control. The use of the parametric amplifier instead of a regenerative amplifier broadened the final spectrum significantly, resulting in 11-fs pulses with a peak power of 18 GW at 5 kHz.

PACS

42.55.-f; 42.65.Re; 42.65.Yj