PM 1950nm Circulator
The PM 1950 Circulator offers low insertion loss, high return loss, low polarization-dependent loss, and reliable isolation for polarization-maintaining optical systems. Designed for a center wavelength of 1950 nm, it is suitable for applications such as optical amplifiers, fiber sensors, and bi-directional communication. Customizable options including fiber type, connector style, and fiber length are available to meet specific system integration needs.
Description
Product Features & Applications
| Features | Applications | 
| Low Insertion Loss | Optical Amplifier | 
| High Return Loss | Fiber Sensor | 
| Low PDL | Fiber Instrument | 
| High stability and reliability | Dispersion Compensation | 
| High Isolation | Bi-Direcation Communication | 
Performance Specifications | 
| Parameter | P Grade | 
| Configuration | Port 1 to Port 2 to Port 3 | 
| Center Wavelength | 1950±30 | 
| Typ. Insertion Loss | 1.2 | 
| Max. Insertion Loss at | 1.5 | 
| Typical Isolation (dB) | ≥25 | 
| Minimum Isolation (dB) | ≥20 | 
| Min. Extinction Ratio | ≥18 | 
| Working axis | fast axis, slow axis | 
| fiber optic model | PM1950 | 
| Cross Talk (dB) | ≥50 | 
| Polarization Dependent Loss (dB) | ≤0.15 | 
| Return Loss(dB) | ≥50 | 
| Maximum Power Handling (mW) | 300 | 
| Opterating Temperature (℃) | -10~+75 | 
| Storage Temperature (℃) | -40~+85 | 
| Package dimension (mm) | Φ5.5xL35、Φ5.5xL50 | 
| Package dimension (mm) (ABS box) | 90x20x10 | 
Ordering Information
| Product | wavelength | Fiber Type | Connector | Fiber length | 
| 3=3端口 | 1=1950nm | 1=Bare fiber | FC/PC | 0=0.5m | 
| 2=PM1950 | FC/APC | 1=1m | ||
| 3=PM1550 | SC/PC | 2=2m | ||
| SC/APC | ect. | |||
| ect. | 



