Title :
Characterization and recent modification of a compact 10 GHz ECRIS for atomic physics experiments and spectroscopic investigations
Author :
Schlapp, M. ; Trassl, R. ; McCullough, R.W. ; Greenwood, J.B. ; Salzborn, E.
Author_Institution :
Argonne Nat. Lab., IL, USA
Abstract :
A compact 10 ECR ion source (200 mm long, 170 mm diameter) has been developed and tested. The complete magnetic structure made from permanent magnet material is comprised of four ring magnets producing an asymmetric axial magnetic field and a hexapole magnet with a maximum radial field of 0.94 T inside the plasma chamber. The coupling of the microwave to the plasma shows efficient ECR plasma heating at microwave power levels around 10 watts. Charge state distributions for various elements with intensities up to 320 eμA and their dependence on operation parameters will be presented as well as VUV spectra in the wavelength region down to 15 nm
Keywords :
ion sources; neon; plasma diagnostics; plasma radiofrequency heating; ultraviolet spectra; 0.94 T; 10 GHz; 10 W; 170 mm; 200 mm; ECR plasma heating; ECRIS; Ne; Ne plasma; VUV spectra; atomic physics experiments; charge state distributions; hexapole magnet; permanent magnet; plasma chamber; Frequency; Ion sources; Magnetic fields; Magnetic resonance; Permanent magnets; Physics; Plasma materials processing; Plasma sources; Plasma waves; Spectroscopy;
Conference_Titel :
Particle Accelerator Conference, 1997. Proceedings of the 1997
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-4376-X
DOI :
10.1109/PAC.1997.752738
