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2x2 Fused Fiber Coupler 50/50 Balanced Split Ratio Corning HI1060 250um Bare Fiber without Connectors
1. Product Description
The 2*2 50/50 FBT Coupler is a fused biconical taper optical coupler designed to divide optical power evenly between two output paths. Its bidirectional 2*2 configuration supports balanced optical signal distribution in fiber optic systems, test equipment, laser assemblies, and optical sensing applications.
2. Product Features
I1-O1 Coupling Ratio
I1-O1 IL(dB)
I1-O2 Coupling Ratio
I1-O2 IL(dB)
I2-O1 Coupling Ratio
I2-O1 IL(dB)
I2-O2 Coupling
I2-O2 IL(dB)
51
3.16
49
3.36
49.08
3.37
50.92
3.21
49.65
3.27
50.35
3.21
49.48
3.36
50.52
3.27
50.81
3.20
49.19
3.34
50.46
3.22
49.54
3.30
49.83
3.21
50.17
3.18
50.06
3.23
49.94
3.24
49.94
3.17
50.06
3.16
48.96
3.33
51.04
3.15
50.06
3.32
49.94
3.33
49.14
3.30
50.86
3.15
49.94
3.16
50.06
3.15
49.37
3.32
50.63
3.21
48.91
3.38
51.09
3.19
50.00
3.31
50.00
3.31
49.42
3.34
50.58
3.24
50.12
3.35
49.88
3.37
2*2 fused biconical taper coupler
Nominal 50/50 optical power split
Coupling-ratio tolerance of ±1.5%
Corning HI1060 fiber
200 kpsi fiber proof-test level
Insertion loss <3.4 dB
Polarization-dependent loss <0.2 dB
250 μm bare fiber
Transparent fiber coating
Fiber length of 1.0–1.05 m
Fiber length controlled toward the upper tolerance
Compact 3 * 50 mm steel-tube package
Connector-free configuration
Blister packaging
3. Applications
Balanced optical power distribution
Fiber optic sensing systems
Laser systems
Optical test and measurement equipment
Optical signal monitoring
Fiber interferometers
Laboratory optical setups
Customized optical modules
Corning HI1060 fiber assemblies
Bidirectional fiber optic systems
4. FAQ
Q1: What does a 2*2 50/50 FBT coupler do?
A 2*2 50/50 FBT coupler distributes an optical signal between two output paths at an approximately equal power ratio. Because it has two input ports and two output ports, it can support bidirectional coupling and signal distribution configurations.
Q2: Can the fiber length, coupling ratio, or connector type be customized?
Yes. The coupling ratio, fiber length, fiber coating, package dimensions, and connector configuration can be customized according to the system requirements. This version uses Corning HI1060 fiber, 250 μm bare fiber leads, a 3 * 50 mm steel-tube package, and no connectors.