Spherical-Sector Analyzer
Entrance
-Single
Retarding
Field Lens
Detector c
-Position
Channel (SCD)
Sensitive (PSD)
Sample
l
snt
,
eldwes
I
\ \* \
-c
-\
\
‘1 ’
‘\’\
L
-
’
\
1
\ ’
\ \
\
\
\
\
\
\
\
\
\
1I
1
1
’’
;
I
I
i
’
’
I ;
I
I
1
’ :
I
/ ./
I /
1’
1 /
f1 //
I
DOUBLE PASS CAM
I
&ample
\
.