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- Products description -
Sharetop's (XYT-TECH) polarization maintaining fiber coupler(PMFC)is the key device to realize the linear polarized light coupling,separating and multiplexing.through PMFC,the linearly polarized light can be stably transmitted by two orthogonal polarization states,with the orginal invariant indeclinable.PMFC is the key device of various military interferometric sensor,optical communication,optical coherent fiber optic gyro and optical fiber hydrophone.
- Product Features -
1．Low Insertion Loss
2．High Return Loss
3．High Isolation
4．High Reliability&stability
5．High Extinction Ratio
- Product Specification -
1．Fiber Optical Instrument
2．EDFA&Raman Amplifier
3．Fiber Sensor
4．Power Monitoring System
Specifications
Parameter | Unit | Value | ||
Type | - | 2x2 | ||
Center Wavelength | nm | 1310,1550 | 1064 | |
Operating Wavelength Range | nm | ±40 | ±20 | |
Excess Loss | dB | 1.0 | 1.2 | |
Uniformity (only for 50/50) | dB | 0.6 | 0.8 | |
Coupling Ratio | dB | 01/99~50/50 | ||
Min. Extinction Ratio | only for F type | dB | 22 | 22 |
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 | |
Port 1 & 3 | - | PM Panda Fiber | ||
Operating Temperature | ℃ | -5~+70 | ||
Storage Temperature | ℃ | -40~+85 | ||
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;
For Type 2x2, routing path is 1 to 3, 4(tap), 3 to 1, 2(tap)
Ordering Information
Center wavelength | Tap ratio | Axis alignment | Fiber type for tap | Fiber type for port | Pigtail type | Fiber length | Connector type |
1550=1550nm 1310=1310nm ...... 0850=850 nm | 01=1%, 02=2%, ......, 05=5%, ......, 50=50% | F=Slow axis working Fast axis blocked, B=Both of axis working | 1=PM Panda fiber aligned, 2=smf-28e, 3=hi1060 | 1=PM Panda fiber, 2=SMF-28e, 3=Hi1060 | 0=250 bare fiber, 1=900um loose tube, 2=2.0mm loose tube, 3=3.0 loose tube | 1m 2m etc.
| 0=FC/UPC, 1=FC/APC,2=SC/UPC,3=SC/APC,4=LC/UPC,5=LC/APC |
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