Abstract
Thermal poling assisted homogenization of polydisperse Ag nanoparticles embedded in the soda-lime glass is demonstrated. The homogenization leads to the narrowing of the localized surface plasmon resonance. The subsequent irradiation with linearly polarized ultrashort laser pulses induces spectrally defined and four times larger dichroism than in non-poled sample.
Highlights
Simple and low cost fabrication technique of nanocomposite glass is based on ion exchange
In this technique the metal ions are embedded in glass matrix by ion exchange with further annealing in a reducing atmosphere, resulting in randomly distributed metal aggregates with an exponentially decreasing filling factor across the depth [1]
In this work we demonstrate the poling assisted homogenization of Ag nanoparticles embedded in soda-lime glass matrix, which improves laser assisted modification of optical properties
Summary
The thermal poling procedure leads to the ionization of Ag clusters. The higher the filling factor of Ag aggregates, the higher the concentration of Ag ions is released [1]. Metal-doped nanocomposite glasses are of interest for their unique linear and nonlinear optical properties. In this technique the metal ions are embedded in glass matrix by ion exchange with further annealing in a reducing atmosphere, resulting in randomly distributed metal aggregates with an exponentially decreasing filling factor across the depth [1].
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