Er3 +中的上转换通道：ZBLALiP：多色微球光源
Upconversion channels in Er3+:ZBLALiP: multicolour microspherical light source
摘要：
我们提出的结果上实现的全锥形耦合，多色微球玻璃光源制造的掺铒氟化物玻璃ZBLALiP。回音壁模式激光和上转换过程产生从紫外到红外的多个波长的激光和荧光发射。采用单模锥形光纤耦合方案，该方案用于将980 nm的泵浦光发射到微谐振腔中并收集所产生的红外激光。我们演示了使用第二个单独的光纤锥外耦合超过几百纳米的上转换光谱。在上转换光谱中观察到了320 ~ 850 nm的13个离散发射。的吸收和荧光特性进行了研究，并概述了所观察到的波长的产生负责的过程。
英文摘要：
We present results on the realization of an all-taper coupled, multicolour microspherical glass light source fabricated from the erbium doped fluoride glass ZBLALiP. Whispering gallery mode lasing and upconversion processes give rise to laser and fluorescent emissions at multiple wavelengths from the ultraviolet to the infrared. A single-mode tapered fibre coupling scheme, which serves to both launch pump light at 980 nm into the microresonator cavity and collect the resulting infrared lasing, is employed. We demonstrate the use of a second separate fibre taper to outcouple the upconversion spectrum over several hundred nanometers. Thirteen discrete emissions ranging from 320 to 850 nm have been observed in the upconversion spectrum. The absorption and fluorescence properties are studied and the processes responsible for the generation of the observed wavelengths are outlined.
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