手动可变光衰减器
光衰减器在整个光谱中均匀地降低透射光的强度。应用包括防止过多的光线使接收器过载。
特性
尺寸超小，包装紧凑
宽波长范围，低IL，低PDL，低WDL
单模，PM和多模光纤版本
高衰减范围
高分辨率
设计符合Telcordia标准
应用程序
多通道光放大网络中的功率均衡与控制
增益倾斜控制在EDFA
通道开/关开关
有线电视系统
局域网
接收机保护
光学传感器
产品规格
| Parameter | Unit | Specifications | |
|---|---|---|---|
| Fiber Orientation | One side | Two sides | |
| Operating Wavelength | nm | Optimized at 633±10, 780±30, 830±30, 1310±50, 1550±50 or 1625±50 or Custom | |
| Insertion Loss | dB | ≤ 1.0 1) | |
| Polarization Dependent Loss | dB | ≤ 0.10 | |
| Temperature Dependent Loss | dB | 0.30 | |
| Return Loss | dB | ≥ 50 for SM & PM fiber ≥ 30 for MM fiber | |
| Attenuation Range | dB | ≥ 60 2) | |
| Attenuation Resolution (Typ.) | dB | 0.10 | |
| Extinction Ratio (PM only) | dB | ≥ 20 | |
| Optical Power | W | ≤ 1.0 | |
| Fiber Type | ms | Single mode, PM or 50/62.5um Multimode | |
| Operating Temperature | °C | – 20 to +75 | |
| Storage Temperature | °C | – 40 to +85 | |
| Package Type | A | B | |
| Package Dimensions | mm | See “MECHANICAL DIMENSIONS” | |
Note:
1) 1.0dB maximum applies to 1310 and 1550nm only. Higher insertion loss up to 1.5dB applies 400~1200nm.
2) 80dB possible by special design.
All values referenced are without connector.
