掺鉺光纤单模或双包层产品，应用于高功率场合。Parameters系列峰值吸收@1530nm应用纤芯直径包层直径同圆度EDF4/12510dB/mToachievethehighestefficiencyoftelecommunicationamplifiers4um125um<0.5um25dB/mTominimizetheamplifierlengthwithoutpump-to-signalconversionefficiencydegradation4um125um<0.5um50dB/mForamplificationofultra-shortpulses,whenhighefficiency,ashortamplifierlengthandahighnegativedispersion(-30..-50ps/nm/km)arerequired3.5um125um<0.5umEDF14/12535dB/mForlow-nonlinearityandhighpulseenergyamplifiers,highestpowerconversionefficiency36%14um125um<1um非标准产品LMA(MFD~25um)、高掺杂（应用于超低非线性放大）双包层（100W高功率、且效率高达40%的场合）型号数值孔径MFD@1550nm[µm]峰值吸收[dB/m]截止波长[nm]980nm1480nm1530nm1200nm(greyloss)EDF-4/125-100.22&plu***n;0.046.5&plu***n;16&plu***n;14.5&plu***n;110&plu***n;3<0.01<980EDF-4/125-250.24&plu***n;0.046&plu***n;114&plu***n;211&plu***n;225&plu***n;5<0.02<980EDF-4/125-500.28&plu***n;0.025.5&plu***n;130&plu***n;520&plu***n;550&plu***n;15<0.03<980EDF-14/125-350.09&plu***n;0.0215&plu***n;215&plu***n;312&plu***n;335&plu***n;10<0.02~1350色散@1550nm:-36ps/nm/km(可定制<-50ps/nm/km)色散斜率@1550nm:<0.03ps/nm2/kmE)