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掺饵光纤
单模或双包层产品，应用于高功率场合。
Parameters
Parameters
| 系列 | 峰值吸收 @1530nm |
应用 | 纤芯直径 | 包层 直径 |
同圆度 |
| EDF 4/125 | 10 dB/m | To achieve the highest efficiency of telecommunication amplifiers | 4um | 125um | <0.5um |
| 25 dB/m | To minimize the amplifier length without pump-to-signal conversion efficiency degradation | 4um | 125um | <0.5um | |
| 50 dB/m | For amplification of ultra-short pulses, when high efficiency, a short amplifier length and a high negative dispersion (-30..-50 ps/nm/km) are required | 3.5um | 125um | <0.5um | |
| EDF 14/125 | 35 dB/m | For low-nonlinearity and high pulse energy amplifiers, highest power conversion efficiency 36% | 14um | 125um | <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） |
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