parameter
4channel
8channel
16channel
18channel
center wavelength（nm）
1270~
center wavalengthaccuracy (nm)
±0.5
channel spacing(nm)
20
channel passband(@-0.5db bandwidth) (nm)
±7.5
insertion loss(db)
≤1.5
≤2.7
≤5.5
≤6.0
channel ripple(db)
≤0.3
isolation (db)
adjacent
≥30
non-adjacent
≥45
insertion losstemperature sensitivity (db/℃)
<0.005
wavelength temperatureshifting (nm/℃)
<0.002
polarization dependentloss (db)
<0.1
polarization modedispersion (ps)
<0.1
directivity(db)
≥50
return loss(db)
≥45
maximum power handling(mw)
300
operating temperature(℃)
-10~+70
storage temperature(℃)
-40~+85