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980nm LD、1400nm LD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 nm diode-pumped erbium-doped fiber laser output C+L band spectrum,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 1460~1610nm, reaching 150nm.
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