1310nm,1550nm光纤耦合器

feature

application

*low excess loss

*precision split ratio

*high reliability

*network monitor

*edfa

*fiber sensor system

parameters

specification

unit

operating wavelength

1310+/-50,1550+/-50

nm

fiber type

smf-28e

return loss

≥50

db

pdl

≤0.1

db

directivity

≥50

db

insertion loss

see table

db

dimension

3(d)x40(l) or abs

operating temperature

0 to 70

oc

storage temperature

-40 to 85

oc

insertion loss table

split ratio

tap port

signal port

1:99

≤21.5

≤0.2

5:95

≤14.2

≤0.4

10:90

≤11.0

≤0.65

20:80

≤7.6

≤1.25

30:70

≤5.7

≤1.9

40:60

≤4.4

≤2.6

50:50

≤3.4

≤3.4