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1650nm Dual Stage Optical Circulator 3 Port Single Mode SMF 28e P Grade High Isolation FC APC Connector
This 1650nm Dual-Stage Optical Circulator is a three-port single-mode fiber optic circulator with a dual-stage isolation structure, designed specifically for 1650±5nm fiber optic sensing, line monitoring, and testing systems. Utilizing SMF-28e single-mode fiber, it can transmit optical signals in the P1→P2 and P2→P3 directions, effectively suppressing backlighting, end-face reflections, and port crosstalk.
| Parameter | Unit | Specification | Test Data | ||||
|---|---|---|---|---|---|---|---|
| Operating Wavelength | nm | 1650±5 | 1650±5 | ||||
| Insertion Loss(Port1-Port2) @1650nm,23°C | dB | ≤1.0 | 0.85 | ||||
| Insertion Loss(Port2-Port3) @1650nm,23°C | dB | ≤1.0 | 0.79 | ||||
| Isolation (Port2-Port1) @λop,25±5°C | dB | ≥45 | 53 | ||||
| Isolation(Port3-Port2) @λop,25±5°C | dB | ≥45 | 52 | ||||
| Return Loss (All Ports) @23°C | dB | ≥45 | 54 | ||||
| Directivity(Port1-Port3) @23°C | dB | ≥60 | 65 | ||||
| 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 | |||||
Address
4/F,Building D ,ZhiXuanHan Yuanling Industrial Park,ShiYan Sub-District,Baoan District,Shenzhen City,Guangdong Province,China
Tel
86-0755-27204792
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