3
Note
The
Pol
lter
angle
shown
here
is
the
same
as
the
one
shown
when
you
press
4
Pos
5 .
If
you
have
already
set
this
value
,
there
is
no
need
to
change
it.
2.
Set
the
speed
at
which
the
plates
rotate:
Set
Speed
to
Fast
and
the
averaging
time
of
your
power
meter
to
longer
than
1s
to
get
measure
the
response
to
depolarized
signal.
If
it
is
not
already
selected:
a.
Move
the
Modify
knob
.
b.
Select
Fast
using
the
Modify
knob
,
4
+
5 ,
or
NNNNN
#
c.
Press
4
Enter
5 ,
or
NNNNNNNNNNNNNNNNNNNN
Select
.
Set
Speed
to
Slow
and
the
averaging
time
of
your
power
meter
as
short
as
possible
,
and
use
logging
to
measure
polarization
dependence
.
If
it
is
not
already
selected:
a.
Move
the
Modify
knob
.
b.
Select
Slow
using
the
Modify
knob
,
4
*
5 ,
or
N
NNNN
"
c.
Press
4
Enter
5 ,
or
NNNNNNNNNNNNNNNNNNNN
Select
.
3.
When
everything
is
setup
,
press
NNNNNNNNNNNNNN
Exec
to
start
the
scan.
During
the
scan,
values
for
the
angle
of
/4
and
/2
are
shown
on
the
display
.
These
values
are
samples
.
The
plates
rotate
continuously
.
Example:
Measuring
the
Response
to
a
\Depolarized"
Signal
T
o
measure
the
response
to
a
\depolarized"
signal
for
a
device
under
test
(DUT),
the
steps
are
i.
Set
the
polarizing
lter
.
ii.
Set
the
scanning
speed
to
Fast .
iii.
Set
the
averaging
time
of
the
power
meter
.
iv
.
Start
the
scan,
and
measure
the
value
.
F
or
this
example
,
you
will
need,
apart
from
the
polarization
controller
,
a
laser
source
,
and
a
power
meter
(in
the
description
below
,
an
HP
8153A
Multimeter
3-2
Scanning
the
P
oincare
Sphere