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Proceedings Paper

High-energy diode-pumped Yb:YAG chirped pulse amplifier
Author(s): Mathias Siebold; Christoph Wandt; Sandro Klingebiel; Zsuzsanna Major; Sergei Trushin; Izhar Ahmad; Tie-Jun Wang; Joachim Hein; Ferenc Krausz; Stefan Karsch
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Paper Abstract

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 100mJ in a diode-pumped Yb:glass regenerative amplifier and a subsequent Yb:YAG booster. At a small-signal gain of 103 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 2.9 J has been achieved. In quasi-cw-mode a peak output power of 7.6kW and a tuning range of 5nm have been obtained. The foot-print-size of the multi-pass amplifier is 0.8m×1.1m which illustrates the degree of system compactness.

Paper Details

Date Published: 16 April 2008
PDF: 9 pages
Proc. SPIE 6998, Solid State Lasers and Amplifiers III, 69980E (16 April 2008); doi: 10.1117/12.780974
Show Author Affiliations
Mathias Siebold, Max-Planck-Institute for Quantum Optics (Germany)
Friedrich-Schiller-Univ. Jena (Germany)
Christoph Wandt, Max-Planck-Institute for Quantum Optics (Germany)
Sandro Klingebiel, Max-Planck-Institute for Quantum Optics (Germany)
Zsuzsanna Major, Max-Planck-Institute for Quantum Optics (Germany)
Sergei Trushin, Max-Planck-Institute for Quantum Optics (Germany)
Izhar Ahmad, Max-Planck-Institute for Quantum Optics (Germany)
Tie-Jun Wang, Max-Planck-Institute for Quantum Optics (Germany)
Joachim Hein, Friedrich-Schiller-Univ. Jena (Germany)
Ferenc Krausz, Max-Planck-Institute for Quantum Optics (Germany)
Stefan Karsch, Max-Planck-Institute for Quantum Optics (Germany)

Published in SPIE Proceedings Vol. 6998:
Solid State Lasers and Amplifiers III
Jonathan A. Terry; Thomas Graf; Helena Jelínková, Editor(s)

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