parameters
condition
specs
units
min
typ
max
numberof channels
40
numberchannel spacing
100ghz
100
ghz
cha. centerwavelength
itu frequency.
c-band
nm
clear channelpassband
±0.1
nm
wavelength stability
maximum range of the wavelengtherror of all channels and temperatures in averagepolarization.
±0.05
nm
-1 dbchannel bandwidth
clearchannel bandwidth defined by passband shape. for eachchannel
0.4
nm
-3 dbchannel bandwidth
clearchannel bandwidth defined by passband shape. for eachchannel
0.6
nm
opticalinsertion loss at itu grid
definedas the minimum transmission at itu wavelength for all channels. foreach channel, at all temperatures and polarization.
4.5
6.0
db
adjacent channel isolation
insertion loss difference fromthe mean transmission at the itu grid wavelength to the highestpower, all polarization, within the itu band of the adjacentchannels.
25
db
non-adjacent, channel
isolation
insertion loss difference fromthe mean transmission at the itu grid wavelength to the highestpower, all polarization, within the itu band of the nonadjacentchannels.
30
db
totalchannel isolation
total cumulative insertion lossdifference from the mean transmission at the itu grid wavelength tothe highest power, all polarization, within the itu band of allother channels, including adjacent channels.
22
db
insertion loss uniformity
maximum range of the insertionloss variation within itu across all channels, polarization andtemperatures.
1.0
1.5
db
directivity(mux only)
ratioof reflected power out of any channel(other than channel n)to powerin from the input channel n
40
db
insertion loss ripple
anymaxima and any minima of optical loss across itu band, excludingboundary points, for each channel at each port
0.5
db
opticalreturn loss
input &output ports
40
db
pdl/polarization dependent loss inclear
channelband
worst-case value measured in itu band
0.3
0.5
db
polarization mode
dispersion
0.5
ps
maximumoptical power
23
dbm
mux/demux input/ output
monitoring range
-35
+23
dbm
pdl was measured onaverage polarization over a +/- 0.1nm window around the ituwavelength.