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
中科院分区:
文献类型:
--
作者:
SHEN Xin-jie;ZHU Ya-rui;ZHOU Zi-zhong;SU Xiu-e;Zhou Ming-han;ZHOU Ya-xun
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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