Nonlinear optical parameters of borate glasses with Ag nanoparticles formed using reducing Gd3+ ions

作者：Dutka R M^*; Adamiv V T; Burak Ya V; Gamernyk R V; Teslyuk I M

来源：Ukrainian Journal of Physical Optics, 2015, 16(2): 103-110.

DOI：10.3116/16091833/16/2/103/2015

• borate glasses
• Ag nanoparticles
• nonlinear refractive index
• third-order nonlinear susceptibility
• nonlinear absorption coefficient

Basing on experimental absorption spectra and Z-scan spectra measured in the closed- and open-aperture regimes, we have calculated the nonlinear optical parameters (the refractive index n(2), the absorption coefficient beta, and the third-order susceptibility chi((3))) of borate glasses (BGs) Li2B4O7-Gd2O3-Ag2O, CaB4O7-Gd2O3-Ag2O and LiCaBO3-Gd2O3-Ag2O that include Ag nanoparticles (NPs). The Ag NPs have been formed by annealing the glasses in the air atmosphere at the temperatures close to the glass-transition ones. We have proven that Gd3+ represents an efficiently reducing ion in the BGs. We have also ascertained that the plasmon resonance caused by the presence of Ag NPs increases significantly the nonlinear optical parameters n(2), beta and \chi((3))\ of the BGs.

• 出版日期2015