铒铥共掺碲酸盐光纤的近红外宽带发射光谱(英文)  

Broadband Near-infrared Emission in Er_(3+)-Tm_(3+) Co-doped Tungsten Tellurite Glass Fiber

作　　者：关珮雯 李科峰[1] 张光[1,2] 王欣[1,2] 张磊[1] 胡丽丽[1] 

机构地区：[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

出　　处：《硅酸盐学报》2013年第11期1594-1598,F0001,共6页Journal of The Chinese Ceramic Society

基　　金：国家自然科学基金(60937003)资助项目

摘　　要：探讨了以808nm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10cm长钨碲酸盐光纤中获得了半高宽（FWHM）约130nm的宽带发射光谱。该宽带发射光谱由铒离子在4I13/2→4I15/2的1.52μm发光与铥离子3H4→3F4的1.45μm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1400～1600nm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。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 130nm, comprising 1.52 ttm 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% Er203 and 1.0% Tm203 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.

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：TB321[一般工业技术—材料科学与工程]