635/850nm Polarization Maintaining Fused WDM
P/N: FIR-635-850-PM-FUW|SKU: 10378
Unit Price
MOQ: 1 pcs
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635/850nm Polarization Maintaining Fused WDM
The 635/850nm Polarization Maintaining Fused WDM is a high-performance passive wavelength division multiplexer designed for combining or separating 635nm and 850nm optical signals in polarization-maintaining fiber systems. Utilizing fused biconical taper (FBT) technology, this PM WDM provides low insertion loss, high isolation, and stable polarization performance for visible and near-infrared optical applications.
Manufactured with PM630 polarization-maintaining fiber, the device maintains the polarization state of transmitted light while delivering excellent return loss and reliable long-term stability. Its compact structure and robust fiber construction make it ideal for integration into OEM laser modules and precision photonics systems.
The 635/850nm PM Fused WDM is widely used in spectroscopy, biomedical instrumentation, fiber optic sensing, laser delivery systems, quantum optics, and scientific research applications where stable polarization and efficient wavelength multiplexing are required.
Specifications
Parameter | Unit | Value |
|---|---|---|
Center Wavelength | nm | 635/850 |
Operating Wavelength Range | nm | ±5 |
Isolation (Min.) | dB | 18 |
Insertion Loss (Max.) | dB | 1.0 |
Return Loss (Min.) | dB | 55 |
Extinction Ratio (Min.) | dB | 18 |
Max Optical Power (CW) | W | 0.5 |
Fiber Type | - | PM630 |
Working Axis | - | Both Axis |
Tensile Load | N | 5 |
Package Dimensions | mm | Φ3 x L60 (Bare Fiber)/Φ3 x L70 (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 1.0 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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