The interaction of femtosecond laser radiation with a wavelength of 1030 nm with chalcogenide glasses of various compositions has been studied. The dependence of the optical transmission of chalcogenide glasses on the pulse energy and frequency has been experimentally established. The compositions of glasses for their use as an optical medium for laser micromachining in the infrared range have been established. It is shown that Ge7Se93 glass is the most suitable optical medium for spectral studies of diamond in the near and mid-IR range.
Using high-temperature lamellar deformation in an argon atmosphere, diamond samples were sealed into an immersion solid-state composition based on ZnSe to visualize the internal structure of diamond in the visible region of the spectrum. The absence of pyrohydrolysis processes at the ZnSe-diamond interface was shown by the following methods: Raman scattering of light, X-ray phase analysis, scanning electron microscopy with energy dispersive analysis. Visualization of graphic images inside the diamond through a five-millimeter layer of solid-state immersion based on ZnSe was made.
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