Keywords: Fiber circulator
Fiber Optical Circulators Anoptical circulatoris a specialfiber-opticcomponent that can be used to separate optical signals that travel in opposite directions in anoptical fiber, analogous to the operation of an electroniccirculator. An optical circul
An optical circulator is a special fiber-optic component that can be used to separate optical signals that travel in opposite directions in an optical fiber, analogous to the operation of an electronic circulator. An optical circulator is a three-port device designed such that light entering any port exits from the next. This means that if light enters port 1 it is emitted from port 2, but if some of the emitted light is reflected back to the circulator, it does not come out of port 1, but instead exits from port 3. Circulators can be used to achieve bi-directional transmission over a single fiber. Because of its high isolation of the input and reflected optical powers and its low insertion loss, optical circulators are widely used in advanced communication systems and fiber-optic sensor applications.
Optical circulators are non-reciprocal optics, which means that changes in the properties of light passing through the device are not reversed when the light passes through in the opposite direction. This can only happen when the symmetry of the system is broken, for example by an external magnetic field.
STOZ-FCIR | STOZ-FCIR | STOZ-FCIR | STOZ-HPCIR (High Power) | ||
# of ports | 3 | 3 | 3 | 3 | |
Config | 1x2 | 1x2 | 1x2 | 1x2 | |
Center Wavelength (λc) | nm | 850 or 980 | 1064 | 1310 or 1550 | 1550 |
Operating Wavelength Range | nm | ±10 | ±5 | ±20 | ±20 |
Typ. Isolation at 23℃ | dB | - | 28 | - | - |
Min. Isolation at 23℃ | dB | 20 | 23 | 45 | 40 |
Typ. Insertion Loss at 23℃ | dB | 1.3 | 1.5 | 0.7 | 0.9 |
Max. Insertion Loss at 23℃ | dB | - | 2 | 0.8 | 1.2 |
Max. Insertion Loss at -5~70℃ | dB | 1.8 | - | - | - |
Min. Directivity | dB | 45 | - | - | |
Min. Return Loss | dB | 50 | 50 | 55 | 50 |
Min Extinction Ratio | dB | - | - | - | - |
Min Cross Talk | dB | 45 | - | 50 | 50 |
Max. PDL | dB | 0.2 | 0.2 | 0.1 | 0.2 |
Min. PMD | - | - | 0.1 | 0.1 | |
Max. Optical Power (CW) | W | 0.3 | 0.3 | 0.5 | 1, 3, 5, 10, or specify |
Max. Tensile Load | N | 5 | 5 | 5 | 5 |
Fiber Type | HI1060 or see order info | HI1060 | SMF-28e | SMF-28e | |
Operating Temperature | ℃ | -5 to +70 | -5 to +70 | -5 to +70 | -5 to +70 |
Storage Temperature | ℃ | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 |
Package dimensions | mm | L62.6 x W28 x H27 | - | Dia5.5 x 63mm | - |
STOZ-PMCIR | STOZ-PMCIR | STOZ-PMCIR | STOZ-PMCIR | STOZ-PMCIR | STOZ-PMCIR | ||
Number of ports | 3 | 3 | 3 | 4 | 4 | 4 | |
Config | 1x2 | 1x2 | 1x2 | 2x2 | 2x2 | 2x2 | |
Type | A | B | A | B | |||
Center Wavelength (λc) | nm | 1064 | 1310 or 1550 | 1310 or 1550 | 1064 | 1310 or 1550 | 1310 or 1550 |
Operating Wavelength Range | nm | ±5 | ±30 | ±20 | ±5 | ±30 | ±20 |
Typ. Isolation at 23℃ | dB | 30 | 46 | 30 | 35 | 50 | 30 |
Min. Isolation at 23℃ | dB | 25 | 40 | 20 | 28 | 40 | 20 |
Typ. Isolation at -5~50℃ | dB | - | - | - | 25 | - | - |
Min. Isolation at -5~50℃ | dB | - | - | - | 20 | - | - |
Peak Isolation | dB | - | 52 | 40 | - | 55 | 40 |
Typ. Insertion Loss at 23℃ | dB | 1.8 | 0.7 | 0.6 | 2.1 | 0.8 | 0.7 |
Max. Insertion Loss at 23℃ | dB | 2.1 | 0.9 | 0.8 | 2.3 | 1.1 | 1.0 |
Typ. Insertion Loss at -5~50℃ | dB | - | - | - | 2.6 | - | - |
Max. Insertion Loss at -5~50℃ | dB | - | - | - | 2.8 | - | - |
Min. Return Loss | dB | 50 | 55 | 55 | 50 | 55 | 55 |
Min Extinction Ratio | dB | 20 | 22 | 20 | 20 | 20 | 20 |
Min Cross Talk | dB | 50 | 50 | 50 | 50 | 50 | 50 |
Max. Optical Power (CW) | mW | 300 | 500 | 500 | 300 | 500 | 500 |
Max. Tensile Load | N | 5 | 5 | 5 | 5 | 5 | 5 |
Fiber Type | PM 980 Panda | PM Panda | PM Panda | PM 980 Panda | PM Panda | PM Panda | |
Operating Temperature | ℃ | -5 to +50 | -5 to +70 | -5 to +70 | -5 to +50 | -5 to +70 | -5 to +70 |
Storage Temperature | ℃ | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 | -40 to +85 |
Dimension (mm) | D5.5x55 | D5.5x55 | D5.5x55 | D5.5x55 | D5.5x55 | D5.5x55 |
The polarization insensitive optical circulator is a non-reciprocal devices that routes incoming signals from any port to the next. It is characterized with low insertion loss, high isolation, low PDL, low PMD and excellent environmental stability and reliability. It is widely used in fiber amplifier systems, optical fiber sensors and bi-direction communication systems.
Low insertion loss
Compact package
Stable and reliable performance
Customized configurations available
Fiber amplifier
Fiber laser
Type | 3 Ports PICIR | 4 Ports PICIR | |
Operating Wavelength (nm) | 1064±5 | 1310 or 1550±20 | |
Insertion Loss (1→2, 2→3, 3→4)(dB) | ≤2.0 | ≤0.8 | ≤1.0 |
Polarization Dependent Loss (dB) | ≤0.2 | ≤0.1 | ≤0.2 |
Polarization Mode Dispersion (ps) | ≤0.1 | ≤0.1 | ≤0.1 |
Isolation(2→1, 3→2, 4→3) (dB) | ≥23 | ≥45 | ≥38 |
Crosstalk (dB) | ≥45 | ≥50 | |
Return loss(dB) | ≥50 | ||
Power Handling (mW) | ≤300 | ≤500 | |
Fiber Type | Hi1060 | SMF-28e XB | |
Operating Temperature(℃) | -5 ~ +50 | -5 ~ +70 | |
Storage Temperature(℃) | -40 ~ +85 | ||
Dimensions (mm) | L34xW8.4xH8.4 | Ф5.5×L50 | Ф5.5×L65 |
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