Single-stage GaSe OPCPA delivering high-energy few-cycle pulses at 11 µm wavelength – INVITED

EPJ Web of Conferences(2023)

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摘要
The generation of sub-five optical cycle pulses centered at 11.2 µm wavelength with 50 µJ energy at a 1 kHz repetition rate is reported. A GaSe optical parametric chirped pulse amplifier (OPCPA) is driven by the residual 2.0 µm pump and 5 µm idler of a high-energy midwave-IR OPCPA. The latter serves as driver for hard X-ray generation and this makes the achieved fs longwave-IR pulses available for X-ray pump-probe experiments.
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关键词
µm wavelength,single-stage,high-energy,few-cycle
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