980/1550nm Polarization Maintaining Fused WDM
P/N: FIR-980-1550-PM-FUW|SKU: 10395
Unit Price
MOQ: 1 pcs
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980/1550nm Polarization Maintaining Fused WDM
The 980/1550nm Polarization Maintaining Fused WDM is a high-performance passive wavelength division multiplexer designed for combining or separating 980nm and 1550nm optical signals in polarization-maintaining fiber systems. Based on fused biconical taper (FBT) technology, this PM WDM provides low insertion loss, high isolation, and stable polarization performance for telecom and fiber laser applications.
Constructed with PM980 polarization-maintaining fiber, the device preserves the polarization state of transmitted light while ensuring low back reflection and excellent long-term optical stability. Its compact package and reliable fiber structure make it suitable for integration into OEM optical modules and advanced photonics systems.
The 980/1550nm PM Fused WDM is widely used in EDFAs, fiber laser systems, Raman amplifiers, optical communication, fiber sensing, biomedical instrumentation, and scientific research applications requiring efficient wavelength multiplexing with stable polarization control.
Specifications
Parameter | Unit | Value |
|---|---|---|
Center Wavelength | nm | 980/1550 |
Operating Wavelength Range | nm | ±15 |
Isolation (Min.) | dB | 20 |
Insertion Loss (Max.) | dB | 0.5 |
Return Loss (Min.) | dB | 55 |
Extinction Ratio (Min.) | dB | 18 |
Max Optical Power (CW) | W | 0.5/1/5/10 |
Fiber Type | - | PM980 |
Working Axis | - | Both Axis |
Tensile Load | N | 5 |
Package Dimensions | mm | Φ3 x L54 (Bare Fiber)/Φ3 x L60 (Loose Tube) |
Operating Temperature | °C | -40 to +85 |
Storage Temperature | °C | -40 to +85 |
Notes: Tested at 25 °C. Data exclude connectors. Adding connectors will increase insertion loss by approximately 0.3 dB, reduce return loss by 5 dB, and decrease extinction ratio by 2 dB. The fiber slow axis is aligned to the key by default.
Dimensions
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