STATUS OF THE 14.5 GHz ALL-PERMANENT ECRIS „SOPHIE“

Ernst GalutschekInstitut für Allgemeine Physik, TU-Wien, Austria

LEIF COOPERATION

Technische Universität Wien: F. Aumayr, HP. WinterJustus Liebig Universität Gießen: E. Salzborn, R. TrasslHahn Meitner Institut Berlin: N. Stolterfoht, J. Bundesmann

Ion Beam

material: VACODYM 655 HR (Nd-Fe-B)provided by:

+6.5 kV -280 V

1.4 mA Ar+

10.2 mm radat z = 15 mm

3

3.5

4

4.5

5

5.5

6

6.5

0

100

200

300

400

500

600

20 40 60 80 100 120 140 160 180

me

an

ch

arg

e s

tate

ion

cu

rrent [n

A] A

rq

+

microwave power [W]

q

Ar+

Ar 8+

status of ion-source parameters

„scope“ to plot ion source parameters vs. time or two parameters against each other

pull down menue structuresimply defined by EXCEL-sheet

CODIAN -an easily adoptable LabView program to control ECR ion sources- developed by:J. Bundesmann from the HMI Berlin

- HV-power supplies

- MW-oscillator

- separation magnet / magnetic lens

- leakage valves

- pressure gauges

- faraday cups

- magnetic field of separation magnet

- refelected MW-power

TWT-Amplifier

national NI 670316 x 16 Bit Analog Output

national NI 6034E16 x 16 Bit Analog Input

RS 232 serial interface

BNC Interface Box

BNC cables

CODIAN PC

1 2 3 4 5 6 7 8 9

25W

50W

75W100W

150W170W

0

100

200

300

400

500

600

ion

cu

rren

t [n

A]

charge state

25W 50W 75W 100W 150W 170W

Argon charge state distributions

support gas: HeliumExtraktion Voltage: 4 kVoptimised for Ar 8+

25 W Ar3+ 238 nA

50 W Ar5+ 212 nA

75 W Ar7+ 242 nA

100 W Ar8+ 410 nA

150 W Ar8+ 472 nA

170 W Ar8+ 582 nA

Ar8+ 582 nAAr9+ 157 nAAr8+/Ar9+ = 3.7<q> = 6.098

0

100

200

300

400

500

600

1 2 3 4 5 6 7 8 9

ion

cu

rren

t [n

A]

charge state

Argon charge state distribution

support gas: HeExtraction Voltage: 4kVoptimised for Ar 8+

acknowledgements: