
1
If
the
P
arameter
Will
Not
Change
If,
when
you
press
4
ENTER
5
after
editing,
the
tunable
laser
source
returns
immediately
to
the
previous
value
for
the
parameter
,
then
the
value
you
tried
to
enter
is
outside
the
calibrated
range
.
Press
4
HELP
5 ,
and
select
the
Input
Limits
help
topic
to
see
the
calibrated
range
.
A
Sample
Session
There
are
two
short
tasks
in
this
sample
session.
The
rst
is
to
measure
the
power
of
a
modulated
signal
at
a
single
wavelength,
and
then
a
wavelength
characteristic
at
a
xed
power
.
The
sample
session
is
written
for
an
HP
8168E/F
Tunable
Laser
Source
,
and
an
HP
8153A
Lightwave
Multimeter
with
an
HP
81532A
P
ower
Sensor
(It
is
assumed
that
the
power
sensor
is
inserted
in
channel
A).
T
o
perform
the
sample
session
as
described
here
,
you
also
need
a
connector
interface
for
the
multimeter
(for
example
,
an
HP
81000AI),
and
a
patchcord
(if
you
are
using
the
HP
81000AI,
then
a
Diamond
HMS-10/HP/HRL
to
Diamond
HMS-10/HP
patchcord,
HP
81109A
C).
These
same
procedures
are
repeated
in
\Example
3
-
Measuring
the
P
ower
of
a
Modulated
Signal"
in
Chapter
6
and
\Example
4
-
Measuring
a
W
avelength
Characteristic
"
in
Chapter
6,
where
they
are
performed
using
the
HP-IB
.
Measuring
the
P
ower
of
a
Modulated
Signal
W
e
want
to
measure
the
power
of
a
1540nm
signal,
modulated
by
a
100kHz
square
wave
,
at
500W
.
1.
Make
sure
that
all
your
connectors
and
connector
interfaces
are
clean.
2.
Make
sure
that
the
Optical
Output
on
the
laser
source
is
not
A
ctive
.
3.
Connect
the
output
of
the
laser
source
to
the
input
of
the
power
sensor
(as
shown
in
the
gure
below).
Make
sure
that
the
connector
with
the
orange
strain-relief
sleeve
is
connected
to
the
tunable
laser
source
(the
orange
sleeve
indicates
an
angled
connector).
1-8
Getting
Started
Summary of Contents for 8167A
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Page 164: ...D Figure D 1 Test Setup for the Wavelength Tests D 4 Performance Tests ...
Page 177: ...D Figure D 5 Test Setup for the Source Spontaneous Emission Test Performance Tests D 17 ...
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