SKU: FCPM
This FC Series PM fiber optic coupler works on both orthogonally polarized light, providing polarization independent coupling function. It features good uniformity, low excess loss and very low polarization sensitivity. The device is ideal for splitting or combining light with exceptional performance over a wide wavelength range
| PM Series Fused Coupler | Parameter | Unit | ||
| Coupling Ratio | 1/99 to 50/50 | |||
| Bandwidth | ±15 | nm | ||
| Polarization Dependent Loss | 0.15 | dB | ||
| Grade P | Grade A | |||
| Excess Loss | 1310,1550 nm | ≤0.3 | ≤0.4 | dB |
| 980~1060 nm | ≤0.4 | ≤0.6 | ||
| 780,850 nm | ≤0.6 | ≤0.8 | ||
| Polarization Extinction Ratio | ≥20 | ≥18 | ||
| Split Ratio Tolerance | ||||
| Split Ratio:50/50 | ± 3.8 | ± 6.0 | dB | |
| Split Ratio:40/60 | ± 2.9 | ± 4.5 | dB | |
| Split Ratio:30/70 | ± 1.5 | ± 3.0 | dB | |
| Split Ratio:20/80 | ± 1.3 | ± 2.1 | dB | |
| Split Ratio:10/90 | ± 1.1 | ± 1.6 | dB | |
| Split Ratio: 5/95 | ± 0.8 | ± 1.3 | dB | |
| Split Ratio: 1/99 | ± 0.5 | ± 0.6 | dB | |
| Directivity | > 55 | dB | ||
| Return Loss | > 55 | dB | ||
| Optical Power Handling | < 3 | W | ||
| Operating Temperature | -40~85 | oC | ||
| Storage Temperature | -50~85 | oC | ||
| Package Dimension * | 250um: (D)3x(L)40 | mm | ||
| 900um: (D)3x(L)54 | ||||
| 2/3mm Cable: (L)98x(W)16x(H)9 | ||||
* Other package options available on request
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