2X2 FBT Coupler
2X2 FBT Coupler
2X2 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

2×2

 

Parameter

Unit

Specification

Operating Wavelength

nm

Single Window1 Dual,Three Window2

2×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

 

(2×N): Equal Coupling Ratio

Note:All the data above does not include connectors.

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