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首页> 外文期刊>Optical Materials >Structural, optical and photoluminescence properties of alkaline-earth boro tellurite glasses doped with trivalent Neodymium for 1.06 μm optoelectronic devices
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Structural, optical and photoluminescence properties of alkaline-earth boro tellurite glasses doped with trivalent Neodymium for 1.06 μm optoelectronic devices

机译:碱土 - 地球硼砂玻璃的结构,光学和光致发光性能掺杂有1.06μm光电器件的三价钕掺杂

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摘要

Alkaline-Earth Boro Tellurite (AEBT) glasses (AEBT) activated with trivalent neodymium (Nd3+) ions were made by employing conventional melt quenching technique to explore their structural details, optical and photoluminescence (PL) properties. Energy Dispersive X-ray spectroscopy (EDX), absorption, fluorescence and fluorescence decay were performed to identify their feasibility for photonic applications. Judd-Ofelt (J-O) studies used for the absorption spectral features reveals larger values for Omega(2) and high radiative transition rates in AEBT glasses. The emission spectra of different concentrations of Nd3+ ions doped AEBT (AEBT: Nd3+) glasses show three transitions F-4(3/2) - I-4(9/2), (4)F3/2 - I-4(11/2) and F-4(3/2) - I-4(13/2) at the wavelengths 887 nm, 1064 nm, and 1334 nm respectively. Among the observed transitions, F-4(3/2) - I-4(11/2) is the intense one observed in near - infrared (NIR) and is useful for lasing action at 1064 nm. The optical absorption, fluorescence and decay spectral studies, reveals that one mol% of Nd3+ ions concentration is quite suitable in AEBT glasses (AEBTNd1.0) to generate lasing action at 1064 nm suitable for NIR photonic broadband amplification applications.
机译:通过采用常规的熔体猝灭技术来探索其结构细节,光学和光致发光(PL)性能,制备与三价钕(ND3 +)离子的碱土硼葡萄牙(AEBT)玻璃(AEBT)。进行能量分散X射线光谱(EDX),吸收,荧光和荧光衰减,以确定它们对光子应用的可行性。用于吸收光谱特征的Judd-ofelt(J-O)研究揭示了OMEGA(2)和AEBT眼镜中的高辐射过渡速率的更大值。不同浓度的Nd3 +离子掺杂AeBT(AEBT:Nd3 +)玻璃的发射光谱显示出三种转变F-4(3/2) - > I-4(9/2),(4)F3 / 2 - > I-4 (11/2)和F-4(3/2) - > I-4(13/2)分别在887nm,1064nm和1334nm处。在观察到的过渡中,F-4(3/2) - > I-4(11/2)是在近红外(NIR)中观察到的强烈的强烈,并且可用于在1064nm处激发作用。光学吸收,荧光和衰变光谱研究表明,一种摩尔%的Nd3 +离子浓度在AebBT眼镜(AEBTND1.0)中非常合适,以在适用于NIR光子宽带扩增应用的1064nm处产生激光作用。

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