Enhanced Optical Properties of Germanate and Tellurite Glasses Containing Metal or Semiconductor Nanoparticles

<table>Dependence of the upconverted signals on the heat treatment corresponding to  <sup>2</sup>H<sub>11/2</sub><svg height="7.6374998" id="M18" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 22.012501 7.6374998" width="22.012501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,2.9,7.575)"><path d="M901 255q-71 -62 -185 -187l-22 15l102 147h-727v50h727l-102 147l22 15q114 -125 185 -187z" id="x2192"></path></g>
</svg><sup>4</sup>I<sub>15/2</sub> and <sup>4</sup>F<sub>9/2</sub><svg height="7.6374998" id="M19" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 22.012501 7.6374998" width="22.012501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,2.9,7.575)"><path d="M901 255q-71 -62 -185 -187l-22 15l102 147h-727v50h727l-102 147l22 15q114 -125 185 -187z" id="x2192"></path></g>
</svg><sup>4</sup>I<sub>15/2</sub> transitions [<a href="/journals/tswj/2013/385193/#B4">4</a>].</table>

The Scientific World Journal

fig16

Figure 16

Figure 16: Enhanced Optical Properties of Germanate and Tellurite Glasses Containing Metal or Semiconductor Nanoparticles 