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1x2(2x2) PM Filter Coupler
Features Applications
Low Insertion Loss High Return Loss High Extinction Ratio High stability & High Reliability | EDFA Fiber Sensor Fiber Optical Instrument Power Monitoring |
Specifications
Parameters | Unit | Values |
Type | | 1x2 | 2x2 |
Center Wavelength | nm | 1310,1550 | 1064 | 1310,1550 | 1064 |
Operating Wavelength Range | nm | ±40 | ±20 | ±40 | ±20 |
Excess Loss | dB | 0.70 | 0.80 | 1.0 | 1.2 |
Uniformity | dB | 0.40 | 0.50 | 0.60 | 0.80 |
Coupling Ratio | dB | 1/99~50/50 |
Min. Extinction Ratio | Both of axis working | dB | 20 | 20 | 18 | 18 |
Fast axis Blocked | dB | 22 | 22 | 22 | 22 |
Min. Return Loss | dB | 50 |
Max. Optical Power(CW) | mW | 300 |
Max. Tensile Load | N | 5 |
Fiber Type | Tap Port2 | | SMF-28e, HI1060 or Panda fiber |
Port1 & 3 | | PM Panda Fiber |
Operating Temperature | ℃ | -5~+70 |
Storage Temperature | ℃ | -40~+85 |
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For device with connector, IL is 0.3dB higher, RL is 5dB lower, ER is 2dB lower.
The default connector key is aligned to slow axis
Package Dimensions

Ordering Information
PMFC | Type | Wavelength | Fiber for Port2 | Axis Alignment | Pigtail Type | Fiber Length |
| 1=1x2 2=2x2 | 1=1310nm 2=1550nm 3=1064nm S=Specify | 1=SMF-28e 2=Hi1060 3=PM fiber | F=Fast Axis Blocked B=Both Axis Working | 1=250um bare fiber 2=900um Loose Tube S=Specify | 1=0.8m S=Specify |
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