
1480nm Polarization Maintaining Optical Isolator
P/N: FIR-1480-PM-OI|SKU: 10252
Unit Price
MOQ: 1 pcs
Production time varies based on product type, quantity, and customization level.
Below is a general estimate for most orders. For exact delivery time, please contact [email protected].
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1480nm Polarization Maintaining Optical Isolator
The 1480nm Polarization Maintaining Optical Isolator is a high-performance passive component designed for unidirectional light transmission while preserving the input polarization state. Optimized for operation around 1480 nm, this isolator effectively suppresses back reflections and feedback, ensuring stable performance in polarization-sensitive optical systems.
Built with PM fiber (PM1550) and utilizing advanced magneto-optic technology, the device provides high isolation up to 55 dB (dual-stage) with low insertion loss and excellent extinction ratio. The default slow-axis alignment ensures precise polarization control, making it ideal for applications requiring high signal stability and minimal polarization distortion.
Available in both single-stage and dual-stage configurations, this isolator offers flexible solutions for systems demanding enhanced isolation or higher performance reliability.
Specifications
Parameter | Unit | Value | |
|---|---|---|---|
Center Wavelength | nm | 1480 | |
Operating Wavelength Range | nm | ±20 | ±20 |
Single/Dual Stage | - | Single Stage | Dual Stage |
Peak Isolation (Typ.) | dB | 40 | 55 |
Isolation (Min.) | dB | 26 | 45 |
Insertion Loss (Max.) | dB | 0.6 | 0.8 |
Return Loss (Min.) | dB | 50 | |
Extinction Ratio (Min.) | - | 20 | 22 |
Max Optical Power (CW) | W | 0.5/1/2/5 | |
Max Peak Power (Pulse) | KW | <1@ns pulse | |
Fiber Type | - | PM1550 | |
Working Axis | - | Slow Axis (Default) or Fast Axis or Both Axis | |
Package Dimensions | mm | Φ5.5 x L35 | |
Operating Temperature | °C | -5 to +70 | |
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. For Fast Axis or Both Axis options, please contact [email protected] for pricing.
Dimensions

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