
236 Compact Plasma and Focused Ion Beams
central plasma density (n
0
) (Figure 14.2a and b) with the experimental radial
variation as input. The solution procedure and evaluation of the total electric
eld intensity (|E
tot
|
2
) are detailed in Ref. 15.
From Equations 13.5a and 13.5b in Chapter 13, the r and
θ
components for
the wave electric elds can be written as
E
i
D
D
r
B
r
rc zc
=
+
+
w∂
∂q
∂
∂
00
22
12
,
(14.1a)
and
E
i
D
D
r
B
r
cq
w∂
∂q
∂
∂
=
−
+
+
00
21
11
,
(14.1b)
where Dk
ii oi
(with i → 1, 2, 3),
K
ij
j
=
2
(with i ≠ j, i, j → 1, 2, 3),
and
Here,
zo c
is the propagation vector com-
ponent along ...