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3 Ports 1310nm Polarization Maintaining Optical Circulator
The 3 Ports 1310nm Polarization Maintaining Optical Circulator is a high-precision, non-reciprocal passive optical device designed to route light sequentially from Port 1 → Port 2 and Port 2 → Port 3, while preserving the polarization state of the transmitted light. Operating at 1310 nm, it provides low insertion loss, high isolation, and excellent polarization extinction ratio (PER), making it ideal for polarization-sensitive systems that require stable and repeatable signal transmission.
$248.00
3 Ports 1310nm Polarization Maintaining Optical Circulator
The 3 Ports 1310nm Polarization Maintaining Optical Circulator is a high-precision, non-reciprocal passive optical device designed to route light sequentially from Port 1 → Port 2 and Port 2 → Port 3, while preserving the polarization state of the transmitted light. Operating at 1310 nm, it provides low insertion loss, high isolation, and excellent polarization extinction ratio (PER), making it ideal for polarization-sensitive systems that require stable and repeatable signal transmission.
Built with high-quality polarization-maintaining (PM) fiber, this circulator ensures that the optical axis alignment (slow or fast axis) remains consistent throughout transmission. It features outstanding thermal and mechanical stability, guaranteeing reliable operation in demanding laboratory and field environments.
This device is widely used in fiber interferometers, coherent communication systems, fiber laser setups, and polarization-sensitive measurement equipment, where maintaining polarization is critical for performance and accuracy.
Specifications
| Parameter | Value | ||||
|---|---|---|---|---|---|
| Center Wavelength | 1064nm | 1310/1480/1550nm | C + L Band | 1950/2000/2050nm | |
| Operating Wavelength Range | ±5nm | ±30nm | 1528 – 1610nm | ±30nm | |
| Single/Dual Stage | Single Stage | Dual Stage | Dual Stage | Single Stage | |
| Isolation | Typ | ≥30dB | ≥52dB | ≥50dB | ≥20dB |
| Min | ≥22dB | ≥40dB | ≥40dB | ≥16dB | |
| Insertion Loss | ≤2.2dB | ≤0.9dB | ≤0.9dB | ≤1.5dB | |
| Extinction Ratio | ≥20dB | ≥20dB | ≥20dB | ≥18dB | |
| Max CW Power | 200mW | 300/1000/2000mW | 500mW | ||
| Max Peak Power (Pulse) | <10KW@ns pulse | ||||
| Working Axis | Slow Axis or Fast Axis or Both Axis | ||||
| Cross Talk | ≥50dB | ≥50dB | ≥50dB | ≥40dB | |
| Return Loss | ≥50dB | ||||
| Fiber Type | PM Fiber | ||||
| Dimension | Single Working Axis | Φ5.5 x L35mm | |||
| Dual Working Axis | Φ5.5 x L50mm | ||||
| Operating Temperature | -5 ~ +70°C | ||||
| Storage Temperature | -40 ~ +85°C | ||||
Note: Measured at 25°C. Data exclude connectors; adding connectors increases insertion loss by 0.3 dB, reduces return loss by 5 dB, and lowers extinction ratio by 2 dB. The PM fiber slow axis is aligned to the key by default.
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