Parts | Days | Selection | Search | Updates | Downloads | Help

SYLL: Symposium Aktuelle Entwicklungen von Hochleistungslasern und deren Anwendungen

SYLL 2: Hochleistungslaser und deren Anwendungen II

SYLL 2.2: Invited Talk

Wednesday, February 27, 2013, 17:00–17:30, HS 4

High Power and High Energy Cryogenic Yb-Lasers for Soft-X-ray Sources — •Franz X. Kaertner — Center for Free-Electron Laser Science, DESY and Physics Dept., University of Hamburg, — Dept. of Electr. Eng. and Computer Science and Research Laboratory of Electronics, MIT

High Harmonic Generation in the soft-X-ray region requires high energy and large average power long wavelength ultrashort pulses to achieve phase matching and counteract the low conversion efficiency of this process. In this presentation, we review our effort in developing suitable large average power, high energy laser sources at 2 micron based on optical parametric chirped pulse amplifiers pumped by cryogenically cooled Yb:YAG lasers. We demonstrate 40-mJ, 10-ps pulse generation at 1kHz repetition rate from a rod-type cryogenically cooled Yb:YAG amplifier chain and propose and analyze a composite-thin-disk laser technology. The advantages of this new technology in terms of power and energy handling as well as suppression of amplified spontaneous emission will be discussed and first experimental results will be presented.