主要特点 KEY FEATURES
1.低损耗 Low loss2.低偏振敏感 Low polarization dependence
3.抗环境变化 Environmentally stable
应用 APPLICATIONS
◆ 光纤通信系统 Optic communication system
◆ 局域网 LAN
◆ CATV
◆ 测量仪器 Test instrument
◆ 光纤传感器 Fiber optic sensor
性能指标 SPECIFICATIONS
等级 Grade 参数Parameter |
Grade“ A” | |||||
工作波长Operating Wavelength (nm) | 1310or1550nm,others on request | |||||
带宽Bandwidth (nm) | ±20nm | |||||
最大附加损耗Excess Loss (dB) | ≤0.1dB(0.06dB TYP) | |||||
耦合比Coupling Ratio (%) | 50/50 | 40/60 | 30/70 | 20/80 | ||
典型插入损耗Typ. Insertion Loss (dB) | 3.06 | 4.1/2.3 | 5.3/1.65 | 7.1/1.05 | ||
最大插入损耗Max. Insertion Loss (dB) | 3.3 | 4.4/2.6 | 5.6/1.9 | 7.4/1.3 | ||
偏振敏感损耗Polarization Dependent Loss (dB) | 0.1 | 0.1 | 0.15/0.1 | 0.15/0.1 | ||
温度稳定性Thermal Stability (dB /℃) | ≤0.2dB | |||||
方向性Directivity (dB) | ≥55 dB(≥60dB 2×2) | |||||
工作温度 Operating Temperature(℃) | -20℃to +70℃ | |||||
封装形式 Package Type | 1.裸纤:900um loose tube 2.Φ0.9松套或Φ3.0松套:900um loosetube or3mm loose cable (or 2mm) 3. FC/APC尾纤 | |||||
尾纤长度 Lead length | 1 meter, others on request | |||||
封装尺寸 Package Dimensions(mm) | Φ3×54 | 90×20×10 | 100×80×10 |