1X2 FBT Coupler
1X2 FBT Coupler
1X2 FBT Coupler
The Singlemode Optic-fiber Couplers can couple the optical signals in the coupling area, and then re-distribute the light power. The key parameters include operating wavelength, bandwidth, and excess loss, coupling ratio, PDL and so on.
Detailed description

Features: Applications:
Low Insertion loss Long-Haul Telecommunications
Uniform Power Splitting Digital,Hybrid and AM-Video systems CATV
Excellent Environmental & High Speed Local Area Networks
Mechanical Stability Fiber Sensors
Optical Specifications:

Coupling Ratio

Insertion LossdB

P Grade

A Grade

50/50

3.5/3.5

3.6/3.6

40/60

4.7/2.7

5.0/2.9

30/70

6.0/1.9

6.4/2.1

20/80

7.9/1.2

8.5/1.4

10/90

11.3/0.6

12.7/0.8

05/95

14.0/0.45

17.5/0.5

01/99

21.0/0.2

21.5/0.25

Excess LossdB

0.10

0.15

PDLdB

0.10

0.15

Operation Wavelengthnm

1310±40, 1550±40,1310/1550±40,1310/1550±40/1490±20

DirectivitydB

≥55

Return LossdB

≥55

Channel Number

1×2

 

Parameter Unit Specification
Operating Wavelength nm Single Window1 Dual,Three Window2
1×N   N=3 N=4 N=5 N=8 N=16 N=24 N=32 N=64
Fiber Type   Corning SMF-28e
IL(MAX) dB 5.41/5.62 7.01/7.22 7.81/8.02 10.01/10.42 13.51/13.92 15.01/15.42 17.31/17.52 21.01/21.52
Uniformity dB 0.51/0.62 0.51/0.62 0.61/0.82 0.81/1.02 1.11/1.32 1.21/1.52 1.31/1.52 2.11/2.52
Return Loss dB 55
Directivity dB 55
PDL dB 0.20 0.20 0.30 0.30 0.40 0.50 0.50 0.50

 

(1×N): Equal Coupling Ratio

Note:All the data above does not include connectors.

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