Our product advantages: High extinction ratio / high reliability / high stability The extinction ratio of two ports PM device all be≧30dB(you can customized the PM device with ER≧35dB) The extinction ratio of three ports PM device all be≧26dB(you can customized the PM device with ER≧28dB) The extinction ratio of PM pathcord all be≧30dB(you can customized the PM pathcord with ER≧30dB) The parameters are very stable in the temperature ：0℃，23℃，70℃.(we can control the change of extinction ratio parameter within 3dB) The finished product with steel tube and loose tube can be tested by international standard GR-1221-CORE. New and old customers are welcome to inquire.
Specifications
| Parameter | Unit | Value | ||
| Center Wavelength | nm | 1064 | 1310 | 1550 |
| Operating Wavelength Range | nm | ±5 | ±15 | |
| Typ. Insertion Loss | dB | 2.5 | 0.40 | |
| Insertion Loss | dB | ≤3.0 | ≤0.60 | |
| Faraday Rotation Angle (Single Pass) | Degree | 45 | 45 | |
| Rotation Angle Tolerance @ 23°C | Degree | ≤±1 | ≤±3 | |
| Typ. Extinction Ratio@ 23°C | dB | 30 | 30 | |
| Extinction Ratio@ 23°C | dB | ≥28 | ≥28 | |
| Fiber Type | - | PM980 | PM1310 | PM1550 |
| Return loss | dB | ≥50 | ||
| Power handling | mW | ≤150 | ≤500 | |
| Operating temperature | °C | -5~+50 | -5~+70 | |
| Storage temperature | °C | -40 ~+85 | ||
| Package Dimensions | mm | Φ5.5±0.2xL35±1 (P1), Φ4.5±0.2xL25±1 (P2), Φ3.2±0.1xL12±1 (P3) | ||
*For device with connector, IL is 0.3dB higher, RL is 5dB lower, and ER will be 2dB lower.
*The default connector key is aligned to slow axis.
