Shenzhen Jiangfan Communication Equipment Co., Ltd.
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Optical Fiber Circulator 3 Ports Palorization Maintaining Circulator
The 3 ports Polarization Maintaining optical circulator is a 3 ports micro-optic device built with PM fiber. The PM Circulator transmits a signal from port1 to port2 and transmits another signal from port2 to port3 while maintaining the polarization of the signal. It is characterized with low insertion loss, high isolation, high return loss, high extinction ratio and excellent environmental stability and reliability. It is widely used in fiber amplifier systems, fiber lasers and optical fiber sensors.
◇Features:
Low Insertion Loss
High extinction ratio
High isolation
Excellent stability and reliability
◇ Application:
Optical Amplifier
CATV Systems & Fiberoptic Sensors
Fiber lasers
Dispersion Compensation
| Parameter | Unit | 3 Ports Polarization Maintaining Optical Circulator | |||
| Single stage | Dual stage | Single stage | Dual stage | ||
| Center wavelength | nm | 1064 | 1310 or 1550 | ||
| Operating bandwidth | nm | ±5 | ±20 | ||
| Insertion loss@23℃ | dB | ≤2.3 | ≤3.5 | ≤0.8 | ≤0.9 |
| Extinction ratio | dB | ≥22 | |||
| Isolation@ 23℃ | dB | ≥20 | ≥35 | ≥30 | ≥46 |
| Return loss | dB | ≥50 | |||
| Crosstalk | dB | ≥50 | |||
| Handling power | mW | ≤300 | ≤500 | ||
| Fiber type | / | PM Fiber | |||
| Operating temperature | ℃ | -5 to +50 | -5 to +70 | ||
| Storage temperature | ℃ | -40 to +85 | |||
| Dimensions | mm | Ф5.5×L34 or Ф5.5×L38 or Specify | |||
| *IL is 0.3dB (1310~1550nm) or 0.5dB (1064nm) higher, RL is 5dB lower and ER is 2dB lower for each connector added. The default connector key is aligned to slow axis. | |||||
| PIOC | Connector | Wavelength | Grade | Fiber type | Pigtail length | Package |
| 11-ST 21-FC/PC 31-SC/PC 41-LC/PC 51-MU/PC 00-None xx-Others | 31-1310 nm 30-1300 nm | P-P Grade | 2-50/125um 3-62.5/125um X-Others | 050-50cm 100-100cm 150-150cm 200-200cm 000- Modulized XXX-Others | A B Specify |