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首页> 外文期刊>Glass Technology >Compositional dependence of silver ion incorporation into borosilicate glasses through staining for fabrication of graded index optical elements
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Compositional dependence of silver ion incorporation into borosilicate glasses through staining for fabrication of graded index optical elements

机译：银离子通过染色掺入硼硅酸盐玻璃中的成分依赖性，用于制造渐变折射率光学元件

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摘要

The staining technique, which is a well known glass colouring method, is of potential use for the fabrication of graded index optical elements based on a glass substrate. We have studied the incorporation of silver into borosilicate glasses, 65SiO_2.20B_2O_3.10R_2O.5Al_2O_3 (R=Li, Na or K), and also the changes in the optical properties due to silver staining. The dependence of the silver incorporation behaviour on the kind of alkaline ions in the glass was investigated. After staining at 340°C for 12 h, 1.9 ×10~(18) and 2.7 ×10~(18) atoms/cm2 of silver were incorporated into lithium and sodium borosilicate glasses, respectively. This gave rise to an increase in the refractive index of ～0.03-0.04 at the stained surface of these glasses, although the glasses were colourless and transparent. On the other hand, the amount of silver incorporated into the potassium borosilicate glass was only one third of the amounts for lithium and sodium borosilicate glasses, and the increase in the refractive index was less than 0.02. The difference in the silver incorporation behaviour is discussed from the viewpoint of ionic diffusion.
机译：作为公知的玻璃着色方法的染色技术在基于玻璃基板的渐变折射率光学元件的制造中具有潜在的用途。我们已经研究了将银掺入硼硅酸盐玻璃，65SiO_2.20B_2O_3.10R_2O.5Al_2O_3（R = Li，Na或K）中的情况，还研究了由于银染而引起的光学性质的变化。研究了银掺入行为对玻璃中碱性离子种类的依赖性。在340℃下染色12小时后，分别将1.9×10〜（18）和2.7×10〜（18）原子/ cm 2的银掺入锂和硼硅酸钠玻璃中。尽管这些眼镜是无色透明的，但在这些玻璃的染色表面上却使折射率增加了约0.03-0.04。另一方面，结合到硼硅酸钾玻璃中的银量仅为锂和硼硅酸钠玻璃的量的三分之一，并且折射率的增加小于0.02。从离子扩散的角度讨论了银结合行为的差异。

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