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Production of Short-Wavelength (XUV) Photons from Ion-Laser-Excited-Surface Charge Exchange: Li(3+), He(+) + Si(111) Systems

机译:从离子激光激发表面电荷交换产生短波长(XUV)光子:Li(3 +),He(+)+ si(111)系统

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摘要

Semiclassical calculations are carried out for the probabilities of electron transfer for Li3+ and He+ ions colliding with a Si(111) surface, where a laser is used to excite electrons in silicon from the valence band to surface states. It is shown that with a moderate-power laser, hgh inversion densities of Li2+ and He+ can be obtained, as necessary for high gain. (Author)

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