Nonlinear optical susceptibilities of copper‐ and silver‐doped silicate glasses in the ultraviolet range
R. A. GaneevNPO AkadempriborAkademgorodok, Tashkent 700125, UzbekistanA.I. RyasnyanskySamarkand State University, Samarkand 703004, UzbekistanА. Л. СтепановKazan Physics-Technical Institute, Russian Academy of Sciences, 420029 Kazan, RussiaT. UsmanovNPO AkadempriborAkademgorodok, Tashkent 700125, Uzbekistan
ABI
Abstract
Abstract Nonlinear optical response of copper and silver nanoparticles synthesized by ion implantation in silicate glasses was investigated in ultraviolet range (354.7 nm). The real and imaginary parts of the third‐order nonlinear susceptibility χ (3) of composite materials were measured. It was shown that Im χ (3) was connected with saturable absorption whereas Re χ (3) was due to self‐defocusing of laser radiation in materials.
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