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铒铥共掺碲酸盐光纤的近红外宽带发射光谱
作者:关珮雯1 2 李科峰1 张光1 2 王欣1 2 张磊1 胡丽丽1 
单位:1. 中国科学院上海光学精密机械研究所 上海 201800 2. 中国科学院大学 北京 100039 
关键词:宽带发光 钨碲酸盐玻璃光纤 铒铥共掺 能量转移 
分类号:
出版年,卷(期):页码:2013,41(11):1594-1598
DOI:
摘要:
探讨了以808 nm波长激光作为泵浦源时,铒铥共掺钨碲酸盐光纤的近红外发射光谱。通过调整光纤长度与泵浦功率,在Er2O3与Tm2O3掺杂浓度分别为0.3% (质量分数,下同)和1.0%的10 cm长钨碲酸盐光纤中获得了半高宽(FWHM)约130 nm的宽带发射光谱。该宽带发射光谱由铒离子在4I13/2→4I15/2的1.52 μm发光与铥离子3H4→3F4的1.45 μm发光组成。铒、铥离子间的能量转移过程在发光机制中扮演重要角色。此光纤有望作为1 400~1 600 nm光纤低损耗通信波段的宽带光源及宽带光纤放大器增益材料。
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The near-infrared emission spectra of Er3+-Tm3+ co-doped tungsten tellurite fiber were investigated using an 808 nm laser as an excitation source. By optimizing the fiber length and pump power, we obtained a broadband emission with a full-width at half-maximum (FWHM) of more than 130 nm, comprising 1.52 μm emission from the 4I13/2→4I15/2 transition of Er3+ and 1.45 μm emission from the 3H4→3F4 transition of Tm3+, in a 0.3% Er2O3 and 1.0% Tm2O3 co-doped tungsten tellurite fiber with the length of 10 cm. The energy transfer process between Er3+ and Tm3+ plays an important role in the luminescence mechanism. This fiber could be a promising gain material for broadband light sources and broadband fiber amplifiers for telecommunications in the 1 400–1 600 nm low-loss transmission windows.
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基金项目:
国家自然科学基金(60937003)资助项目。
作者简介:
参考文献:
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