[SPIE] Thin Disk Ti:Sapphire amplifiers for Joule-class ultrashort pulses

发布人

https://doi.org/10.1117/12.2265290
Abstract 
We proposed to use Ti:Sa in combination with TD and EDP techniques to reach high energies at high repetition rates, and we presented numerical simulations for different amplifier geometries and parameters of the amplification [4,5]. We present the results of the proof-of-principle experiment, where a EDP-TD Ti:Sa amplifier was tested for the first time. In our experiment, the final cryogenically cooled Ti:Sa amplifier in a 100 TW/10 Hz/28 fs laser system was replaced with the EDP-TD room temperature cooled arrangement. Amplified seed pulse energy of 2.6 J was reached only for 3 passes through TD with 0.5 J of input seed and 5 J of absorbed pump energy. We verified the excellent heat extraction capabilities of our amplifier module. Results of the scaling simulations on the base of this experiment for 100s of TW peak power laser systems operating at up to 100 Hz will be also presented.
Roland S. Nagymihály, Huabao Cao, Mikhail P. Kalashnikov, Nikita Khodakovskiy, Lutz Ehrentraut, Károly Osvay, and Vladimir V. Chvykov &quot;Thin Disk Ti:Sapphire amplifiers for Joule-class ultrashort pulses with high repetition rate (Conference Presentation)&quot;, Proc. SPIE 10238, High-Power, High-Energy, and High-Intensity Laser Technology III, 102380C (9 June 2017)

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[SPIE] Thin Disk Ti:Sapphire amplifiers for Joule-class ultrashort pulses

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