FBT Optical Coupler
FBT Optical Coupler
Features:
Low insertion loss, low PDL
High credibility and stability
Industry standard and custom housing available
Various coupling ratio and connector available
Application:
Optical communication system
CATV System
System and signal monitoring
Fiber to the home (FTTH)
Optical Specifications:
Table（1）
|
Coupling Ratio |
Insertion Loss（dB） |
|
|
P Grade |
S Grade |
|
|
50/50 |
≤3.4 |
≤3.6 |
|
45/55 |
≤3.7/2.7 |
≤3.8/2.9 |
|
40/60 |
≤4.4/2.6 |
≤4.7/2.8 |
|
35/65 |
≤4.8/2.0 |
≤4.9/2.10 |
|
30/70 |
≤5.7/1.9 |
≤6.0/2.0 |
|
25/75 |
≤6.9/1.3 |
≤6.5/1.4 |
|
20/80 |
≤7.6/1.2 |
≤8.0/1.3 |
|
15/85 |
≤8.6/0.7 |
≤8.9/0.88 |
|
10/90 |
≤11.0/0.65 |
≤11.5/0.8 |
|
5/95 |
≤14.2/0.4 |
≤14.8/0.5 |
|
2/98 |
≤18.5/0.25 |
≤19.0/0.35 |
|
1/99 |
≤21.5/0.2 |
≤22.0/0.3 |
|
Excess Loss(Typ.)（dB） |
≤0.1 |
|
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