[CThA2G] Attosecond Science and Technology I

[CThA2G-03] Quasi-Phase-Matched Water Window/keV High-Harmonic Generation from He¹⁺ Ions

*Hsu-hsin Chu^1,2, Yao-Li Liu³, Jyhpyng Wang^1,2,4 (1. Department of Physics, National Central University (Taiwan), 2. Center for High Energy and High Field Physics, National Central University (Taiwan), 3. Institute of Space and Plasma Sciences, National Cheng Kung University (Taiwan), 4. Institute of Atomic and Molecular Sciences, Academia Sinica (Taiwan))

[Presentation Style] Online

A new scheme of quasi-phase-matched high-harmonic generation from He¹⁺ ions is proposed. The relative conversion efficiencies for water window/keV operations are calculated to be about 15% of the perfect phase-matching condition.