Shenzhen Gracyfiber Technology Co., Ltd.
| Isolation | ≥45 dB |
| Power Handling | 500 mW |
| Insertion Loss | ≤1.0 dB |
| Operating Wavelength | 1650±5 nm |
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Product Specification
| Isolation | ≥45 dB | Power Handling | 500 mW |
| Insertion Loss | ≤1.0 dB | Operating Wavelength | 1650±5 nm |
| High Light | 1650nm fiber circulator FC APC ，dual stage optical circulator 3 port ，900um loose tube fiber circulator | ||
The 1650 nm dual-stage fiber optic circulator is designed for directional optical signal routing in single-mode fiber systems. Featuring a two-stage optical structure, it provides low insertion loss, high isolation, and excellent port-to-port crosstalk performance for demanding optical communication, monitoring, and testing applications.
| Parameter | Unit | Specification | Test Data | ||||
| Operating Wavelength | nm | 1650±5 | 1650±5 | ||||
| Insertion Loss(Port1-Port2) @1650nm,23°C | dB | ≤1.0 | 0.99 | ||||
| Insertion Loss(Port2-Port3) @1650nm,23°C | dB | ≤1.0 | 0.71 | ||||
| Isolation (Port2-Port1) @λop,25±5°C | dB | ≥45 | 57 | ||||
| Isolation(Port3-Port2) @λop,25±5°C | dB | ≥45 | 47 | ||||
| Return Loss (All Ports) @23°C | dB | ≥45 | 54 | ||||
| Directivity(Port1-Port3) @23°C | dB | ≥60 | 64 | ||||
| Power Handling | mW | 500 | |||||
| Operating Temperature | ℃ | 0 ~ +70 | |||||
| Storage Temperature | ℃ | -40 ~ +85 | |||||
| Package Dimension | mm | (ɸ)5.5±0.1 x (L)50±1 | |||||
| Fiber Color | - | Port1:Red,Port2:Blue,Port3:White | |||||
| Fiber Type | - | SMF-28e | |||||
| Fiber Jacket | - | 900um loose tube | |||||
| Fiber Length | m | Port1&Port3:≥0.5；Port2:≥0.25 | |||||
| Connectors | - | Port1&Port3:FC/APC；Port2:FC/PC | |||||
Dual-stage optical circulator design
1650 ± 5 nm operating wavelength
P-grade optical performance
Insertion loss ≤1.5 dB
Return loss ≥50 dB
Isolation ≥33 dB
Crosstalk ≥50 dB
SMF-28e single-mode fiber
FC/APC connector termination
900 μm loose-tube fiber protection
1.0 m fiber length, including connectors
Color-coded ports for easy identification
Compact φ5.5 × 50 mm steel-tube package
PMD data included in the test report
Neutral English test report supplied
Optical network monitoring systems
1650 nm fiber line testing
OTDR monitoring channels
Fiber optic sensing systems
Bidirectional optical transmission systems
Optical amplifiers and laser systems
Laboratory testing and measurement equipment
Telecom and access network maintenance
Optical signal routing and isolation
The standard signal routing direction is Port 1 to Port 2 and Port 2 to Port 3. Light entering Port 1 is transmitted to Port 2, while reflected or returned light entering Port 2 is directed to Port 3.
Yes. Fiber length, connector type, fiber protection, port color identification, and package dimensions can be customized according to application and installation requirements. Customized test reports and optical performance specifications are also available upon technical evaluation.
Company Details
Business Type:
Manufacturer
Year Established:
2014
Employee Number:
150~200
Ecer Certification：
Verified Supplier
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