设计并实现了一种多波长超宽带铒铥混合掺杂光纤光源,用一个980nm激光二极管(LD)泵浦掺铒光纤(EDF),输出C+L波段光谱,用980nmLD、1400nmLD和C+L波段光泵浦掺铥光纤(TDF),产生S波段光谱。用耦合器制作光纤反射器(FLM),形成双程后向结构提高转化效率。光谱仪测试S+C+L波段的总功率为34.18mW(15.34dBm),带宽为1460~1610nm,达到150nm。
The paper designs and realizes a multi-wavelength ultra-wideband erbium and thulium-doped fiber source mixed,with a 980 um diode-pumped erbium-doped fiber laser output C+L band spectnma,use 980nm and 1400nm laser diode and the C+L band optical pumped thulium doped fiber,produce the S wave band spectrum.Fabrication of fiber reflector coupler (FLM) by coupler,formation in double pass backward configu- ration to improve conversion efficiency.Spectrometer test total power of S+C+L band is 34.18mW (15.34dBm), the bandwidth from 1460-1610um, reaching 150nm.