Compact Plasma and Focused Ion Beams

201New Experiments in Continuous-Mode Microwaves



ee

a

db

ad

e

⊥

==−

−−

{}

−−

−−



(,)(,)

()

()

()

rz rz

j

jj

pp

cp

0

22

222

1

1

11

δα















(12.4)

and



ssew

ad

bd

⊥

==

{}

















−

−−

(,)(,)

()

()

rz rz

jj

j

p

c

0

22

22

1

1

(12.5)

where

awwb wwdw

pp cc

ec

oll

v===///,,

are functions of r and z.

Here,

we

pee

rz nrze m(, )(,)

()

=

2

0

/rad/s is the plasma frequency,

w

ce e

reBr m() () ()= /rad/s

is the electron–cyclotron frequency, at any point in

space in the MC at some power and pressure when plasma is present. B

0

is

the static magnetic eld and

np s

coll

ec

oll

rz pTrz(,

)(

,)=×410

28

is the electron–

neutral collision cross section in m

2

obtained from experimental data avail-

able in the literature [14]. ...