D
14.
Repeat
list
item
11
to
list
item
13
for
the
wavelengths
from
1480
to
1570nm
in
steps
of
10nm,
always
setting
the
8168A
and
the
8153A
to
the
required
wavelength.
15.
Repeat
list
item
11
to
list
item
13
again
for
wavelength
1470
nm
to
ensure
stability
of
measurement
setup
.
If
your
measured
value
is
more
than
.01
dB
o
the
previous
value
you
need
to
x
your
setup
and
repeat
list
item
11
to
list
item
15
.
16.
Calculate
\Insertion
Loss"
as
dierence
of
\Reference
P
ower"-
\P
ower
after
DUT"
and
note
the
values
in
the
associated
column
for
each
wavelength.
17.
Check
your
calculations
of
\Insertion
Loss"
for
the
maximum
and
minimum
value
and
note
the
values
on
the
associated
lines
.
The
maximum
value
applies
for
Maximum
Insertion
Loss
specication
18.
Calculate
the
dierence
of
maximum
and
minimum
value
as
the
result
of
\V
ariation
of
Insertion
Loss
with
W
avelength"
D-8
P
erformance
T
est