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1.宁波大学信息科学与工程学院 高等技术研究院 红外材料及器件实验室, 浙江 宁波 315211
2.浙江省光电探测材料及器件重点实验室, 浙江 宁波 315211
3.嘉兴学院 南湖学院, 浙江 嘉兴 314001
[ "汪俊(1997-), 男, 安徽泾县人, 硕士研究生, 2019年于淮北师范大学获得学士学位, 主要从事硫系光纤制备及其光学性能方面的研究。E-mail:wangjun93733@163.com" ]
[ "赵浙明(1982-), 男, 浙江嘉兴人, 博士, 副教授, 硕士研究生导师, 2015年于宁波大学获得博士学位, 主要从事红外非线性光纤的研究。E-mail:zhaozheming_27@sina.com" ]
收稿日期:2020-07-28,
录用日期:2020-8-17,
纸质出版日期:2020-11
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汪俊, 冯赞, 吴国林, 等. Pr3+掺杂Ge-Ga-Se-CsI硫卤玻璃性能及光纤制备[J]. 发光学报, 2020,41(11):1343-1350.
Jun WANG, Zan FENG, Guo-lin WU, et al. Pr3+ Doped Ge-Ga-Se-CsI Chalcohalide Glass and Fiber Preparation[J]. Chinese journal of luminescence, 2020, 41(11): 1343-1350.
汪俊, 冯赞, 吴国林, 等. Pr3+掺杂Ge-Ga-Se-CsI硫卤玻璃性能及光纤制备[J]. 发光学报, 2020,41(11):1343-1350. DOI: 10.37188/CJL.20200223.
Jun WANG, Zan FENG, Guo-lin WU, et al. Pr3+ Doped Ge-Ga-Se-CsI Chalcohalide Glass and Fiber Preparation[J]. Chinese journal of luminescence, 2020, 41(11): 1343-1350. DOI: 10.37188/CJL.20200223.
采用熔融淬冷法制备了两种浓度的Pr
3+
掺杂GeSe
2
-Ga
2
Se
3
-CsI(GGC)硫卤玻璃。在2.0 μm激光激励下,比较了玻璃片(2 mm)和玻璃柱(6 mm)的荧光发射光谱。用Judd-Ofelt理论计算分析了Pr
3+
掺杂Ge-Ga-Se-CsI硫卤玻璃的强度参数
Ω
i
(
i
=2,4,6)和辐射寿命
τ
rad
等光谱参数。通过拟合衰变曲线,测得了玻璃的荧光寿命值(0.5% Pr
3+
:3.08 ms)。所制备的光纤具备双包层结构,通过截断法得到光纤在7.6 μm处的最低损耗为2.27 dB/cm。
Different series of Pr
3+
doped GeSe
2
-Ga
2
Se
3
-CsI(GGC)chalcogenide glass were prepared by a melt-quenching method. Under the excitation of 2.0 μm wavelength
the emission spectra of bulk glass (2 mm) and glass column(6 mm) were compared. The intensity parameter
Ω
i
(
i
=2
4
6) and radiative lifetime
τ
rad
of Pr
3+
doped Ge-Ga-Se-CsI chalcogenide glass are calculated and analyzed by Judd-Ofelt theory. The fluorescence lifetime of the glass(0.5% Pr
3+
:3.08 ms) was measured by fitting the decay curve. The fabricated fiber has a double cladding structure
the fiber loss is measured by cut-back method and the minimum loss at 7.6 μm is 2.27 dB/cm.
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