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1650nm Dual-Stage Optical Circulator: High Isolation, Low Insertion Loss for Fiber Sensing, Optical Monitoring, and Communication Systems
Product Overview
This 1650nm dual-stage optical circulator employs a P-class design and SMF-28e single-mode fiber, featuring low insertion loss, high isolation, high return loss, and low crosstalk performance.
Key Features
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
1650±5nm Dual-Stage Optical Circulator
P-Class Performance
Insertion Loss IL ≤1.5dB
Return Loss RL ≥50dB
Isolation ISO ≥33dB
Crosstalk ≥50dB
SMF-28e Single-Mode Fiber
900μm Loose Tube Protection
P1 Red, P2 Blue, P3 White
All three ports equipped with FC/APC connectors
Piglet length including connectors 100±5cm
φ5.5*50mm Steel Tube Packaging
Test report includes PMD items
Includes neutral English test report
Blister Packaging
Applications
1650nm Fiber Link Monitoring
Optical Time Domain Reflectometry (OTDR) Testing System
