Abstract
Zinc selenide crystals doped with iron by high-temperature diffusion in zinc and argon atmospheres are studied by the two-photon confocal microscopy. The effect of the atmosphere on the spectra and spatial distribution of two-photon excited luminescence in the range from 425 to 725 nm is studied. It is shown that doping with zinc results in the absence of impurity-defect centers formed in samples doped in an inert argon atmosphere.
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