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首页> 外文期刊>Journal of Materials Science >Spectroscopic properties of Nd3+, Yb3+-doped and Nd3+-Yb3+-codoped high silica glass
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Spectroscopic properties of Nd3+, Yb3+-doped and Nd3+-Yb3+-codoped high silica glass

机译：Nd3 +，Yb3 +掺杂和Nd3 + -Yb3 +掺杂的高硅玻璃的光谱性质

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摘要

The Nd3+, Yb3+-doped and Nd3+-Yb3+-codoped high silica glasses (HSGs) were fabricated by sintering porous glasses impregnated with Nd3+ and Yb3+ ions solutions. The Judd-Ofelt theory was used to study the spectroscopic properties of Nd3+-doped HSGs. Large parameter Omega(2) of Nd3+-doped HSGs suggests a lower centrosymmetric coordination environment around the Nd3+ in HSG. The spontaneous emission probability and emission cross-section (sigma(em)) of Yb3+-doped HSGs are obtained. A broad emission band from 950 to 1,100 nm was detected when the Nd3+-Yb3+-codoped HSG was excited by 808 nm LD. The energy transfer process from Nd3+ to Yb3+ in HSG was described in this paper.
机译：通过烧结浸渍了Nd3 +和Yb3 +离子溶液的多孔玻璃，制造了掺Nd3 +，掺Yb3 +和掺Nd3 + -Yb3 +的高硅玻璃。 Judd-Ofelt理论用于研究掺Nd3 +的HSG的光谱性质。掺Nd3 +的HSG的大参数Omega（2）表明，HSG中Nd3 +周围的中心对称配位环境较低。获得了掺Yb3 +的HSG的自发发射概率和发射截面（sigma（em））。当Nd3 + -Yb3 +掺杂的HSG被808 nm LD激发时，检测到950至1,100 nm的宽发射带。本文描述了HSG中Nd3 +到Yb3 +的能量转移过程。

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