The 3C-LINK 1310/1550nm 3 port Single mode Optical Circulator is a compact, high performance light-wave component that routes incoming signals from Port 1 to Port 2, and incoming Port 2 signals to Port 3.So fiber optic circulators act as signal routers, transmitting light from an input fiber to an output fiber, but directing light that returns along that output fiber to a third port. They perform a similar function as an isolator, protecting the input fiber from return power, but also allowing the rejected light to be employe.
the circulator from port 1 input, it is output from port 2, and the signal from port 2 input, will be output from port 3, its output loss is very small, light from port 2 input, from port 1 output when the loss is very large, the same light from port 3 input, from port 3 output loss is also very large.
| Low Insertion Loss Low insertion loss enables the product to have low signal attenuation, thus reducing the power requirement for the signal transmitter. |
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Higher Isolation The higher isolation value enables sufficient signal isolation during multi-signal transmission in the device, effectively preventing cross talk between signals and causing distortion of the transmission signal |
| Parameter | Unit | Values |
| Configuration | – | Port 1 to Port 2 to Port 3 |
| Center Wavelength (λc) | nm | 1310,1550 |
| Operating Wavelength Range | nm | λ±30 |
| Min. Isolation, λc, 23℃(2->1,3->2) | dB | 20 |
| Typical Insertion Loss,23℃ | dB | 0.8 |
| Max. Insertion Loss,23℃ | dB | 1.2 |
| Min. Return Loss | dB | 30 |
| Min. Cross Talk (dB) | dB | 50 |
| Max. Polarization Mode Dispersion | ps | 0.1 |
| Max. Polarization Dependent Loss,23℃ | dB | 0.15 |
| Maximum Power Handling (total pass, continuous wave) | W | 0.3, 1, 3, 5 |
| Max. Tensile Load | N | 5 |
| Fiber Type | – | 50/125um or 62.5/125um MM fiber |
| Operating Temperature | °C | 0 ~+70 |
| Storage Temperature | °C | -40 ~+85 |
| Dimensions | mm | Ø5.5 x L50 |
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