Generation of a coherent x ray in the water window region at 1 kHz repetition rate using a mid-infrared pump source
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We demonstrate the generation of a coherent x ray in the water window region in a gas cell filled with neon gas using a wavelength-tunable mid-IR femtosecond laser operating at 1 kHz repetition rate. The cutoff energy and conversion efficiency of the water window x ray can be optimized by tuning gas pressure as well as the focal position.
Atomic and Molecular Physics
Nonlinear Optics and Spectroscopy