Gallery: First PK-4 Prototype
May 2002

Click to enlarge!
PK-4 Prototype
The prototype setup at MPE Garching:
1300V DC, cathode left, anode right
 		PK-4 Prototype
First Argon DC plasma inside the
horizontally mounted discharge tube.
PK-4 Prototype
The 'dark space' at the cathode and
the beginning of the 'positive column'
 		DC Operation
The plasma of the 'positive column'
bends around the corner inside the tube
Striations
A stationary plasma instability, the
so-called 'striations'
 		Main plasma
View along the main tube into the
plasma of the 'positive column'
Vertical
The PK-4 prototype, mounted vertically
for particle injection experiments
 		Injection
Injection region near the cathode.
Dust dispensor is in the front.

Pictures courtesy of M. Kretschmer
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PK-4 Home 03/2003 PK-4 Webmaster (M. Kretschmer)