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Research Result - Dr. Jyhpyng Wang

Atomic Physics and Optical Science

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Ion-based high-order harmonic generation from water window to keV region with a transverse disruptive pulse for quasi-phase-matching

Yao-Li Liu, Jyhpyng Wang, Hsu-hsin Chu

Optics Express 30, 1365 (2022).

A scheme for ion-based high-harmonic generation from water window to keV x-ray is investigated. He1⁺ ions with 54.42-eV ionization potential extend the harmonic cutoff energy to 1 keV. The transverse selective-zoning method of quasi-phase-matching is utilized to overcome the severe plasma dispersion in a highly ionized medium. The calculated conversion efficiency reaches about 15% of the perfect phase-matching condition. Wavelength tunability is achieved by incorporating a programmable spatial-light modulator to control the quasi-phase-matching pattern.

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Latest update 2024-12-09 09:54:03

Institute of Atomic and Molecular Sciences Academia Sinica

Research Result - Dr. Jyhpyng Wang