Pr3+/Nd3+ codoped tellurite glass for O+E+S-band broad emission

Pr3+/Nd3+ codoped tellurite glass for O+E+S-band broad emission
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用于 O E S 波段宽发射的 Pr3 /Nd3 共掺杂亚碲酸盐玻璃

DOI:
10.1007/s11801-019-9012-6
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发表时间:
2019-11
影响因子:
0.9
通讯作者:
ZHOU Ya-xun
ZHOU Ya-xun
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
SHEN Xin-jie;ZHU Ya-rui;ZHOU Zi-zhong;SU Xiu-e;Zhou Ming-han;ZHOU Ya-xun

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本工作将Pr3+引入TeO2-ZnO-Na2O-Nb2O5组成的掺Nd3+碲酸盐玻璃中,实现宽带近红外发射。在808nmLD的激发下,获得了1250~1530 nm的宽带荧光发射,这是由于Pr3+:1D2→1G4和Nd3+:4F3/2→4I13/2跃迁分别发射了约1.47μm和1.35μm的荧光。Pr3+的1.47μm波段荧光是由于Nd3+向Pr3+离子的能量传递所致,并通过计算相应的微观参数和声子贡献率进一步研究了能量传递机制。同时,所研究的碲酸盐玻璃具有良好的热稳定性。研究表明,Pr3+/Nd3+共掺碲酸盐玻璃是一种性能优良的O+E+S波段宽带光放大器的增益介质。
In this work, Pr3+ was introduced into Nd3+-doped tellurite glass with composition TeO2-ZnO-Na2O-Nb2O5 to achieve broadband near-infrared emission. A broadband fluorescence emission ranging from 1 250 nm to 1 530 nm was obtained under the excitation of 808 nm LD, which is contributed by the Pr3+:1D2 →1G4 and Nd3+:4F3/2→4I13/2 transitions emitting the fluorescence located at around 1.47 μm and 1.35 μm bands, respectively. The 1.47 μm band fluorescence of Pr3+ is attributed to the energy transfer from Nd3+ to Pr3+ ions and the energy transfer mechanism was further investigated by calculating relevant micro-parameter and phonon contribution ratio. Meanwhile, the studied tellurite glass possesses good thermal stability. The present work indicates that Pr3+/Nd3+ codoped tellurite glass is an excellent gain medium for potential O+E+S-band broad optical amplifiers.
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