The
ambient
temperature
must
be
constant
(62
C)
during
the
test.
The
power
meter
must
be
zeroed
before
the
measurement.
Output
P
ower
and
Stability
T
ests
Specications:
Optical
output
power
of
10/125m
ber:
>0dBm
Stability
over
15
minutes
at
constant
temperature:
60.03dB
Stability
over
6h
and
62
C
env
.
temp
.
window:
60.03dB
I.
Output
P
ower
T
est
1.
Make
sure
that
cable
connectors
and
detector
windows
are
clean.
2.
Turn
instruments
on,
enable
the
laser
output
of
the
HP
81552SM
and
allow
instruments
to
warm
up
for
at
least
20
minutes
.
3.
On
the
power
meter:
a.
Set
to
the
wavelength
displayed
for
the
HP
81552SM
source
channel.
b.
Make
sure
that
the
CAL
parameter
on
the
power
meter
is
set
to
zero
.
c.
With
the
connector
adapter
,
on
the
optical
head,
covered
with
a
plastic
cap
,
press
4
Zero
5
to
zero
the
power
meter
.
4.
Connect
the
equipment
as
shown
in
Figure
D-1
.
Figure
D-1.
P
erformance
T
est
Setup
HP
81552SM
P
erformance
T
ests
D-3