应用范围 Applications
● 大功率EDFA High-power EDFA● 光纤通信系统 Fiber Optic Communication System
● 光纤传感器Fiber Optic Sensor
● 测量仪器 Testing Instrument
产品特色 Features
● 均匀性好 Better uniformity
● 低损耗 Low Insertion Loss
● 低偏振 Low PDL
● 高稳定性和可靠性 High Stability and Reliability
技术参数Performance
型号 Type |
1×4 | 1×4 | |||
工作波长 (nm) Operating wavelength |
1310 or 1550 | 1310 and 1550 | |||
工作带宽 (nm) Operating bandwidth |
±20 | ±40 | |||
级别 Grade |
P | A | P | A | |
典型附加损耗 (dB) Typical excess loss |
0.4 | 0.5 | 0.5 | 0.7 | |
插入损耗 (dB) Insertion loss |
≤6.8 | ≤7.0 | ≤7.0 | ≤7.2 | |
PDL (dB) | ≤0.25 | ≤0.25 | ≤0.3 | ≤0.3 | |
一致性 (dB) Uniformity |
0.6~0.8 | 0.8~1.2 | |||
方向性 (dB) Directivity |
≥55 | ||||
工作温度 (℃) Operating temperature |
-40 ~ +85 | ||||
尺寸(Ф×L) Size(Ф×L) |
250µm 裸纤 bare fiber |
Ф3.0mm×56mm | |||
900µm 松套管 loose tube |
Ф4.0mm×60mm |