Highly versatile, two-color setup for high-order harmonic generation using spatial light modulators
arxiv(2024)
摘要
We present a novel, interferometric, two-color, high-order harmonic
generation setup, based on a turn-key Ytterbium-doped femtosecond laser source
and its second harmonic. Each interferometer arm contains a spatial light
modulator, with individual capabilities to manipulate the spatial beam profiles
and to stabilize the relative delay between the fundamental and the second
harmonic. Additionally, separate control of the relative power and focusing
geometries of the two color beams is implemented to conveniently perform
automatized scans of multiple parameters. A live diagnostics system gives
continuous information during ongoing measurements.
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