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The 2*2 5/95 FBT Coupler with FC/APC Output is a fused biconical taper optical coupler designed for asymmetric optical power distribution. It directs most of the input power to the 95% main branch while extracting a smaller portion through the 5% tap branch for optical monitoring, measurement, feedback, or signal-sampling functions.
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)
96.15
0.28
3.85
14.26
96.34
0.36
3.66
14.56
96.12
0.29
3.88
14.23
96.40
0.31
3.60
14.59
96.45
0.32
3.55
14.66
96.24
0.28
3.76
14.36
96.43
0.28
3.57
14.59
96.40
0.32
3.60
14.60
96.28
0.35
3.72
14.48
96.31
0.28
3.69
14.45
96.17
0.28
3.83
14.28
96.17
0.36
3.83
14.36
96.12
0.34
3.88
14.28
96.30
0.29
3.70
14.44
96.39
0.28
3.61
14.54
96.20
0.29
3.80
14.32
96.12
0.30
3.88
14.24
96.31
0.32
3.69
14.49
96.12
0.30
3.88
14.24
96.41
0.29
3.59
14.58
96.49
0.28
3.51
14.67
96.30
0.28
3.70
14.43
96.45
0.30
3.55
14.64
96.26
0.31
3.74
14.42
96.28
0.28
3.72
14.41
96.29
0.39
3.71
14.53
2*2 fused biconical taper coupler
Nominal 5/95 asymmetric coupling ratio
Coupling-ratio tolerance of ±1.5 percentage points
Corning 1060 fiber
200 kpsi fiber proof-test level
Main-branch insertion loss <0.4 dB
Tap-branch insertion loss <15.2 dB
Polarization-dependent loss <0.2 dB
FC/APC connector on the white 95% output lead
Unterminated remaining fiber leads
0.9 mm loose-tube protection
Fiber length of 1.0–1.05 m
Fiber length controlled toward the upper tolerance
White and blue input-side fibers
White and orange output-side fibers
Compact 3 * 50 mm customized package
Individual blister packaging
3. Applications
Optical power monitoring
Optical signal tapping
Laser power sampling
Fiber optic sensing systems
Optical feedback control
Test and measurement equipment
Optical instrumentation
Customized fiber optic modules
Systems requiring Corning 1060 fiber
Low-reflection FC/APC interconnection
4. FAQ
Q1: Which port is fitted with the FC/APC connector?
The white 95% output lead is specified with an FC/APC connector. The 5% orange output lead and the two input-side leads are supplied without connectors, subject to final confirmation of the port configuration.
Q2: Why is an FC/APC connector used on the 95% output branch?
The FC/APC connector uses an angled physical-contact end face to help reduce optical back reflection. It is suitable for the main transmission branch in applications where return reflection may affect laser stability, measurement accuracy, or system performance.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2014
Employee Number:
150~200
Ecer Certification:
Verified Supplier
About Gracyfiber
Gracyfiber was founded in 2014 by a technical team with over 25 years of experience in passive optical components. With an integrated manufacturing facility of over 2,000 m² and a skilled engineering team, we deliver stable, high-reliability products for demanding application...
About Gracyfiber
Gracyfiber was founded in 2014 by a technical team with over 25 years of experience in passive optical components. With an integrated manufacturing facility of over 2,000 m² and a skilled engineering team, we deliver stable, high-reliability products for demanding application...