OPC PHOTONICS’ 980/1550 nm WDM/Tap Coupler/Isolator Hybrid Combination is a combination of a wavelength division multiplexer, tap coupler and an isolator in a compact package. This product has an extremely low insertion loss, a very stable tap-coupling ratio, high isolation, and hight return loss. This product offers integrated solution to EDFA application by combining more functions into a very compact package.
| Features | Applications |
| · Wide Operating Wavelength Range
· Compact Size · Low insertion loss · High channel Isolation · High stability and reliability · Epoxy free on optical path |
· Fiberoptic Amplifiers
· WDM Systems · Fiber optic Instruments · Transmitters and Fiber Lasers · Laboratory R&D |
Performance Specifications
| Parameter | Unit | Single Stage | Dual Stage | |
| Signal Operation Wavelength Range | C band | nm | 1528~1564 | |
| L band | nm | 1570~1605 | ||
| Pump Channel Wavelength Range | nm | 965~1000 | ||
| Isolation (@23℃ all SOP for Isolator) | dB | >31 | >45 | |
| Min. Isolation (WDM) | Pump Channel | dB | >12 | |
| Signal Channel | dB | >30 | ||
| Insertion Loss (over wavelength range and 0 to +70℃,all SOP) | Pump Channel | dB | 0.6 | |
| Signal Channel | dB | 1.3 | 1.5 | |
| Tap Ratio 1% | dB | 19.2~21.0 | ||
| Tap Ratio 2% | dB | 16.2~18.0 | ||
| Tap Ratio 5% | dB | 12.2~14.0 | ||
| Wavelength Dependent Loss | dB | ≤0.5 | ||
| Return Loss | dB | >50 | ||
| Directivity | dB | >55 | ||
| PDL | dB | <0.1 | ||
| Max. Power Handling (CW) | W | 0.5, 2, 3, 5,10,20 | ||
| Max. Peak Power for ns Pulse if any | kW | 1, 5,10 | ||
| Operating Temperature | ℃ | 0~+70 | ||
| Storage Temperature | ℃ | -40~+85 | ||
| Fiber Type | Corning HI1060 fiber at pump port | |||
| Corning SMF-28 fiber at common signal and tap port | ||||
| Package Dimension | mm | Ø5.5 x L38(<10W), 60x12x8(>10W) | ||
- Above specifications are for device without connector.
- For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower. Power transmits through the connector less than 2W.
- If there is pulse application, please be sure to inform us of pulse energy and peak power.
Package Dimension
PS: For forward pump, signal wavelength is polarization independent. For backward pump, signal wavelength is Polarization dependent.
Order information P/N: WTIH-①-②-③-④-⑤-⑥-⑦-⑧
When you inquire, please provide the correct P/N number according to our ordering information, and attach the appropriate description would be better. If need any connector, we do not recommend choosing a 250μm bare fiber pigtail.
| ① | ② | ③ | ④ | ⑤ | ⑥ | ⑦ | ⑧ |
| Wavelength | Stage of Isolator | Optical Power | Tap Ratio | Pump Configuration | Pigtail Diameter | Fiber Length | Connector |
| 59:1550 signal/980nm pump | S: Single Stage
U: Dual Stage |
L:<0.5W
1:1W 3:3W 5:5W 10:10W |
01:1% Tap
02:2% Tap 05:5% Tap |
F: Forward Pump
B: Backward Pump |
25:250μm bare fiber
90:900μm Loose Fiber XX: Others |
05:0.5m
10:1.0m 15:1.5m XX: Others |
00: None
FP: FC/PC FA: FC/APC SA: SC/APC LA: LC/APC XX: Others |
Part Number Example: WTIH-59-S-L-01-F-90-10-FA
Description: SM WDM/Tap Coupler/Isolator Hybrid Combination, 1550nm signal/980nm pump, single stage isolator, 1% tap, forward pump, HI1060 fiber at 980nm port, other with SMF-28e fiber, with 0.9mm OD loose tube, 1.0 fiber length, and FC/APC connectors at all ports.
Ordering Information for Custom Parts
If you need to customize other specifications, please provide detailed description for your requirement.
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