1x2 High Power Handling 20W Single Window 1550nm Band Coupler(SMF-28e fiber)

Paramenter

1550nm band coupler(SMF-28e fiber)

Grade

P

A

Typical excess loss (dB)

0.07

0.1

Inse ion loss (dB)  @1550±15nm

50/50

≤3.4     

≤3.6 

40/60

≤4.4/2.6  

≤4.7/2.8 

30/70

≤5.7/1.9  

≤6.0/2.0 

20/80

≤7.6/1.25 

≤8.0/1.3 

10/90

≤11.0/0.65

≤11.5/0.8

5/95 

≤14.2/0.4 

≤14.8/0.5

3/97 

≤16.7/0.3 

≤17.2/0.4

2/98 

≤18.5/0.25

≤19.0/0.35

1/99

≤21.5/0.2

≤22.0/0.3

PDL(dB)

≤0.1

≤0.15

Directivity(dB)

≥55 

Operating temperature(℃)

-40~+85