Polarization Maintaining Fiber Optic PM Filter Coupler for ICT AI Computing
Polarization Maintaining Fiber Optic PM Filter Coupler for ICT AI Computing Product Overview The Polarization Maintaining Coupler is a micro optic filter type device that provides optical signal splitting while preserving polarization with high extinction ratio. Available in a wide range of coupling ratios from 1% to 50%, and in both 1×2 and 2×2 configurations, PM couplers are widely used in fiber optic communication systems, Raman amplifiers, and other fiber instrument
The Polarization Maintaining Coupler is a micro optic filter type device that provides optical signal splitting while preserving polarization with high extinction ratio. Available in a wide range of coupling ratios from 1% to 50%, and in both 1×2 and 2×2 configurations, PM couplers are widely used in fiber optic communication systems, Raman amplifiers, and other fiber instrument applications.
- Low Insertion Loss
- High Return Loss
- High Extinction Ratio
| Parameter | Unit | Value |
|---|---|---|
| Type | - | 1x2 | 2x2 |
| Center Wavelength | nm | 2000 | 1550,1310 | 1064 | 2000 | 1550,1310 | 1064 |
| Operating Wavelength Range | nm | ±40 | ±40 | ±20 | ±40 | ±40 | ±20 |
| Max. Excess Loss | dB | 1.2 | 0.7 | 0.8 | 1.5 | 1.0 | 1.2 |
| Uniformity (only for 50/50) | dB | 0.6 | 0.4 | 0.5 | 0.8 | 0.6 | 0.8 |
| Coupling Ratio | dB | 01/99~50/50 |
| Min. Extinction Ratio at 23℃ | dB | 18 (Both axis working) | 22 (Fast axis blocked) |
| Min. Return Loss | dB | 50 |
| Max. Optical Power (CW) | mW | 300 |
| Max. Tensile Load | N | 5 |
| Fiber Type | - | Tap Port: SMF-28E, Hi1060 or PM Panda fiber Input & Output Port: PM Panda fiber |
| Operating Temperature | ℃ | -5~+70 |
| Storage Temperature | ℃ | -40~+85 |
* For device with connector, IL is 0.3dB higher, RL is 5dB lower, and ER is 2dB lower.
* The default connector key is aligned to slow axis.
- EDFA (Erbium-Doped Fiber Amplifier)
- Fibre Sensor Systems
- Fiber Instrumentation
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