美国AC Photonics Inc. 偏振保持(PM)产品 PM准直仪 保偏双光纤准直器
保偏双光纤准直器
偏振保持(PM)产品是具有精确保持线性偏振状态的光纤器件。ACP为其PM产品提供三种选择:慢轴工作，快速轴工作和两轴工作。
特性 低插入损耗 低背反射 高环境稳定性 高消光比 应用程序 点隔离器 激光束准直 PW波分复用
| Parameter | Unit | Specifications | ||
|---|---|---|---|---|
| Operating Wavelength | nm | 1310±30, 1550±30 or custom | ||
| Working Distance | mm | 5 or custom | ||
| Insertion Loss | dB | 0.20 Typ. ≤0.25 Max. | ||
| Return Loss | dB | ≥ 60 | ||
| Extinction Ratio (ER) | dB | 25 Typ. ≥22 Min. | ||
| Tensile Load | N | 5 | ||
| Operating Temperature | °C | - 5 to +75 | ||
| Storage Temperature | °C | - 40 to +85 | ||
| Package Dimensions | mm | Ø1.8(OD) Lens* (Standard): A=4x10 Gold plated SS tube B=3.2x10 Gold plated SS tube C=2.4x10 SS tube (Gold plated optional) D=2.78x10 Glass tube or custom size Ø1.0(OD) Lens* (Mini-size): E=2.8x10 SS tube (Gold plated optional) F=2.0x7 Glass tube G=1.4x6 Gold plated SS tube H=1.2x7 Glass tube | ||
1) The PM fiber and the connector key are aligned to the slow axis 2) The ER is for fiber ≤ 0.75m. Increase fiber length can decrease the ER. 3) For devices with connectors, insertion loss will be 0.3dB higher, return loss will be 5dB lower, and extinction ratio will be 2dB lower *The diameter indicates outer diameter (OD) of lens. All values referenced are without connector.
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