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廣州市瑞東電子科技有限公司
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廣州市瑞東電子科技有限公司
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980/1550nm Polarization Maintaining WDM Filter
FIBERWDM can supply 980/1550nm Polarization Maintaining WDM Filter (PM filter), the PM filter multiplexes PM signals and maintains the output polarization with high extinction ratio using advanced micro-optic filter technology. All input and output fibers are polarization maintaining.
This product can also be used to multiplex other wavelengths. including 980/1030nm (pulsed laser applications) and 1064/1550nm (Erbium-Ytterbium pumping). Low power (300 mW, 500 mW) and high power ( up to 20W) handling are available.
It can also be provided with a PM isolator integrated in the same package. They are great used in polarization maintaining fiber amplifiers, fiber lasers, and high speed communication system and instrumentation applications.
Specifications
| Parameter | Unit | T1550/R980 | T980/R1550 | |
| Transmission Wavelength Range | nm | 1520~1580 | 960~990 | |
| Reflect Wavelength Range | nm | 960~990 | 1520~1580 | |
| Max. Insertion Loss@23℃ | Transmission | dB | 0.8 | |
| Reflect | dB | 0.5 | ||
| Min. Isolation@23℃ | Transmission | dB | 25 | |
| Reflect | dB | 12 | ||
| Min. Extinction Ratio | dB | 20 | ||
| Min. Channel Flatness | dB | 0.3 | ||
| Min. Return Loss | dB | 50 | ||
| Max. Power Handling (CW) | W | 0.3, 0.7, 1, 2, 3, 10, 20 | ||
| Max. Tensile Load(N) | N | ≤5 | ||
| Fiber Type | - | PM980 for 980nm port, other PM1550 fiber | ||
| Operating Temperature | ℃ | -5 to +70 | ||
| Storage Temperature | ℃ | -40 to +85 | ||
| Package Dimensions | mm | ?5.5 x L35 | ||
1. Above specifications are for device without connector, and the PM WDM device is both axis working. All parameters are tested at room temperature.
2. For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower and ER will be 2dB lower. Power transmits through the connector less than 2W.The default connector key is aligned to slow axis.
3. For >10W high power applications, we will use heat sink package, contact FIBERWDM for details.
4. If there is pulse application, please be sure to inform us of pulse energy and peak power.
5. If need other request, please contact FIBERWDM.
Package Information
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980/1550nm PM Component
Order Information
| PMW- | -Channel- | -Package | Connector- | Pigtails Diameter | Fiber Length | Working Axis |
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| 59:1550nm pass/980nm reflect | S: steel tube | 01U/A: LC/UPC or LC/APC | 25:250μm bare fiber | 05:0.5m | B：Both axis working |
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| 95:980 pass/1550nm reflect | X: others | 02U/A: SC/UPC or SC/APC | 90:900μm Loose Tube | 10:1.0m | F:Fast axis blocked |
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| 03U/A: FC/UPC or FC/APC | XX: Others | 15:1.5m |
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| 04U/A: others |
| XX: Others |
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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.
Part Number Example: PMW-59-S-01A-90-10-B
Description: Polarization Maintaining WDM, TX 1550/RX 980nm, LC/APC all ports, 0.9mm 1.0m fiber, Steel tube,Both axis working.
If you need to customize other specifications, please provide detailed description for your requirement, and contact us by : sales
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