High-energy diode-pumped Yb:YAG chirped pulse amplifier

被引：2

作者：

Siebold, Mathias ^{[1
,2
]}

Wandt, Christoph ^{[1
]}

Klingebiel, Sandro ^{[1
]}

Major, Zsuzsanna ^{[1
]}

Trushin, Sergei ^{[1
]}

Ahmad, Izhar ^{[1
]}

Wang, Tie-Jun ^{[1
]}

Hein, Joachim ^{[2
]}

Krausz, Ferenc ^{[1
]}

Karsch, Stefan ^{[1
]}

机构：

[1] Max Planck Inst Quantum Opt, Hans Kopfermann Str 1, D-85748 Garching, Germany

[2] Friedrich Schiller Univ Jena, Inst Opt & Quantum Elect, D-07743 Jena, Germany

来源：

SOLID STATE LASERS AND AMPLIFIERS III | 2008年 / 6998卷

关键词：

diode-pumped; laser amplifier; chirped pulse amplification;

D O I：

10.1117/12.780974

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A diode-pumped chirped-pulse amplifier (CPA) system based on Yb:glass and Yb:YAG as a picosecond pump source for a future ultra-high peak-power optical parametric chirped-pulse amplifier (OPCPA) is currently under development. Pulses as short as 300 fs generated in an Yb:glass mode-locked oscillator have been stretched to the nanosecond level. The seed pulses are then amplified up to an output pulse energy of 100 mJ in a diode-pumped Yb:glass regenerative amplifier and a subsequent Yb:YAG booster. At a small-signal gain of 10(3) in Yb:YAG the initial pulse bandwidth of 4 nm (FWHM) has been gain-narrowed to 1.5 nm, which allows the re-compression to 1.1 ps. With a multi-pass Yb:YAG amplifier which has been seeded by a Q-switched sub-10-nanosecond laser an output pulse energy of 2.93 has been achieved. In quasi-cw-mode a peak output power of 7.6kW and a timing range of 5nm have been obtained. The foot-print-size of the multi-pass amplifier is 0.8m x 1.1 m which illustrates the degree of system compactness.

引用

页数：9

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