High Extinction Ratio 1550nm Polarization Maintaining Optical Circulator
Basic Information:
Optical Isolator Benefit&Features:
- Excellent Thermal Characteristics
- Effective in all Optical Wavelengths
- Single-stage isolator with high isolation
- Ultra-low insertion loss (0.5dB) and PDL
- Low Insertion Loss
- High Isolation & Extinction Ratio
- High Reliability & Stability
Certification&Compliance:
- GR-1209-CORE Requirements for passive optic components
- GR-1221-CORE Reliability assurance requirements for passive optical components
- GR-326-CORE Requirements for single-mode optical connector and jumpers assemblies
- TIA-604 Fiber optic connector interpretability standard
- ROHS Directive on the restriction of hazardous substances

Specfication&Technoloy Parameters:
| Parameter | Unit | Single Stage | Dual Stage |
| Grade | —— | P | A | P | A |
| Wavelength | nm | C-band:1528~1564nm;1310±15nm |
| Insertion Loss(dB)(max.)(23℃) | dB | 0.5 | 0.6 | 0.6 | 0.7 |
| TDL | dB | 0.1 | 0.15 | 0.1 | 0.15 |
| Isolation (min.)(23℃) | dB | 30 | 30 | 46 | 46 |
| PDL | dB | 0.1 | 0.15 | 0.1 | 0.15 |
| PMD | ps | 0.05 | 0.05 | 0.05 | 0.05 |
| In/Out Return Loss | dB | 60/60 | 60/55 | 60/60 | 60/60 |
| Maximum Optical Power | MW | 500 |
| Operating Temperature | ℃ | -10~+65 |
| Storage temperature | ℃ | -40~+85 |
| Package | nm | Φ52x32 |
Ordering Information:
| ISO- | X- | XX- | X- | XX- | XX- | XX- | M |
| | PID:Polarization Independent,dual-stage PISL: Low polarization mode dispersion | 31:1310nm 55:1550nm | P:P grade A:A grade | 09:0.9mm 025:0.25mm | 0.5:0.5m 1.0:1.0m | FC:FC/UPC FA:FC/APC 0:no connector | M: Φ52x32mm |
| | Type | Wavelength | Grade | Fiber Dia. | Fiber Length | Connector | Packing size |
Optical Isolator Application:
- Fiber optic amplifiers
- Fiber optic ring lasers
- EDFA& Raman Amplifier
- Fiber Sensor
- Fiber Instrument

Geehe Factory Service:
- Provide the highest quality of products
- Continuous improvement; accepting new challenges
- Innovating new processes, and creating new products for the benefit of our customers
- Consultative service and strive to ensure a positive and productive experience
- Efficient use of all transportation modes and transit times
- Greater visibility and real-time information
- Free samples for testing
- Factory inspection experience
- Fast delivery for all customer orders
