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| Coad | 666669 | Type | Single-Mode Fiber Circulator | |
| Wavelength(nm) | 1280 - 1340 | Connector Type | FC/UPC | |
| Fiber Model | SMF-28e+ 900um loose tube | Fiber Length（m） | 1 | |
| Central Wavelength | 1310nm | Bandwidth | - | |
| Operating Temperature | 0-70℃ | Storage Temperature | -40-85℃ | |
| Operating Mode | - | Splitting Ratio | - | |
| Extinction Ratio | - | Insertion Loss | ≤0.8dB | |
| Return Loss | ≥50dB | Excess Loss | - | |
| Polarization-Dependent Loss | ≤0.15dB | Polarization Mode Dispersion | ≤0.1ps | |
| Directionality | - | Package Size | - | |
| Uniformity | - | Isolation | ≥40dB | |
| Maximum Optical Power | 300mW（CW） | Maximum Tension | 5N | |
| Minimum Crosstalk | ≥50dB | Rotation Angle | - | |
| Port Configuration | - | |||
The LBTEK fiber optic circulator is a three-port non-reciprocal optical device that allows light to propagate in only one direction. When a signal enters Port 1, it exits from Port 2; when a signal enters Port 2, it exits from Port 3, both with very low output loss. Conversely, light entering Port 2 and exiting from Port 1 experiences high loss, and similarly, light entering Port 3 and exiting from Ports 1 or 2 also experiences high loss. Fiber optic circulators are widely used in fiber lasers, add-drop multiplexers, bidirectional pumping systems, dispersion compensation devices, fiber sensing, and scientific research applications. LBTEK offers customization services for circulators, including three-port and four-port designs, as well as devices with different power ratings and wavelengths. For specific customization requirements, please contact us.
LBTEK single-mode fiber optic circulators are available in multiple center wavelengths ranging from 1064 nm to 1550 nm, with a maximum power handling of 300 mW. Each model is offered with FC/APC or FC/UPC connector options. All products include markings for direction and ports for easy identification. Each circulator is tested to ensure reliable performance. LBTEK provides customization services for circulators with different center wavelengths, port configurations, and power ratings.
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