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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Broadband NIR emission at 1.53 mu m in trivalent erbium ions doped SrO-Al2O3-B2O3-BaCl2-10TeO(2) glasses for optical fiber and NIR laser applications
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Broadband NIR emission at 1.53 mu m in trivalent erbium ions doped SrO-Al2O3-B2O3-BaCl2-10TeO(2) glasses for optical fiber and NIR laser applications

机译:在三价铒离子中为1.53μm的宽带NIR发射掺杂SrO-Al2O3-B2O3-Bacl2-10teo(2)玻璃,用于光纤和NIR激光应用

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摘要

A new series of Er3+ ions doped Oxy Chloro Boro Tellurite glasses were prepared by melt-quenching method. Various spectroscopic properties were determined from absorption, excitation and photo-luminescence spectra. The Judd-Ofelt intensity parameters Omega(lambda)(lambda=2,4,6) were estimated based on absorption spectra. A strong luminescence band was observed at 1536nm under the excitation wavelength of 522nm. The gain coefficient of 1.53 mu m emission was estimated to probe the utility of glasses in broad band amplification technology. Inokuti-Hirayama model was employed to decay curves, to comprehend the nature of energy transfer between erbium ions. The stimulated emission cross-sections (sigma(sec)), branching ratios (beta(R)), quantum efficiencies (eta%) and gain cross-section (sigma(sec)x tau(R)) for Er3+ ions doped OCBT glasses were evaluated and compared with other reported glass samples. Based on the highest stimulated emission cross-section, branching ratios, quantum efficiencies and gain cross-sections, it is suggested that 1 mol% of Er3+ ions doped OCBT glass is more suitable for NIR region optical device applications.
机译:采用熔融淬火法制备了一系列新的掺铒氧氯硼碲酸盐玻璃。从吸收光谱、激发光谱和光致发光光谱确定了各种光谱性质。根据吸收光谱估算了Judd-Ofelt强度参数ω(λ)(λ=2,4,6)。在522nm的激发波长下,在1536nm处观察到一条强发光带。估计了1.53μm发射的增益系数,以探索玻璃在宽带放大技术中的应用。Inokuti-Hirayama模型被用来绘制衰变曲线,以理解铒离子之间能量转移的本质。对掺Er3+离子的OCBT玻璃的受激发射截面(sigma(sec))、分支比(beta(R))、量子效率(eta%)和增益截面(sigma(sec)x tau(R))进行了评估,并与其他报道的玻璃样品进行了比较。基于最高的受激发射截面、分支比、量子效率和增益截面,我们认为1mol%的Er3+离子掺杂OCBT玻璃更适合用于近红外区的光学器件应用。

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