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.
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页数：9
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