Soft X-ray high-harmonic generation in an anti-resonant hollow core fiber driven by a 3 $\hat{I}¼$m ultrafast laser

Drew Morrill, Will Hettel, Daniel Carlson +15

High-harmonic upconversion driven by a mid-infrared femtosecond laser can generate coherent soft X-ray beams in a tabletop-scale setup. Here, we report on a compact ytterbium-pumpe…