3 Port PM Fiber Optical Circulator 1550nm For EDFA Fiber Laser / Fiber Sensing
The Polarization Maintaining Optical Circulator is a three-port passive device specifically designed for C-band 1550nm applications. It typically operates at 1550nm with a bandwidth of ±30nm. Employing a unidirectional transmission topology of Port1→Port2 and Port2→Port3, it is used to orderly separate and guide optical signals propagating in different directions within the same system.
| Parameters | Unit | Value |
|---|---|---|
| Operating wavelength | nm | 1550 |
| Bandwidth | nm | ±30 |
| Typ. Isolation | dB | 46 |
| Isolation | dB | ≥40 |
| Typ. Insertion Loss | dB | ≤0.7 |
| Insertion Loss@-5 to +70 | dB | ≤0.9 |
| Fiber Type(panda Fiber) | / | Corning PM1550 |
- EDFA
- Fiber Optic Instrument
- Fiber Laser
- Fiber Sensor
- Polarization-Maintaining Optical Communication System
- High-Stability Link Isolation and Directional Transmission Scenarios
Q1: What is the operating wavelength of this PM Optical Circulator?
A: This product operates at a wavelength of 1550nm with a bandwidth of ±30nm, suitable for signal routing and isolation applications in C-band polarization-maintaining optical communication, fiber lasers, and fiber optic sensing systems.
Q2: What are the main performance advantages of this product?
A: This product features low insertion loss, high isolation, high extinction ratio, high return loss, and high stability. Its typical isolation is 46dB, with an isolation ≥40dB, typical insertion loss ≤0.7dB, extinction ratio ≥22dB, crosstalk ≥50dB, and return loss ≥50dB.
Q3: Does this PM Circulator support customization?
A: Customization is supported. Customers can select port type, operating wavelength, single/dual-stage structure, working axis, packaging form, fiber sheath, fiber length, and connector type according to their needs. The standard package is a φ5.5 × L50mm steel tube structure, using Corning PM1550 Panda Fiber. The default connector key positions are aligned with the slow axis, while the fast axis is blocked.
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