.

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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