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Estimation of electron temperature in 14.45 GHz ECR ion source plasma by analysis of Bremsstrahlung spectra

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Title Estimation of electron temperature in 14.45 GHz ECR ion source plasma by analysis of Bremsstrahlung spectra
 
Creator Ranjini, K
Nabhiraj, P Y
Das, S K
Mallik, C
Bhandari, R K
 
Subject ECR ion source
Plasma
Bremsstrahlung spectra
Electron Cyclotron Resonance Ion Sources
Microwave power
 
Description 965-968
Electron Cyclotron Resonance Ion Sources (ECRIS) are known to produce intense X-rays of the order of 100’s of keV. Energy of electrons in the resonantly heated microwave plasma has been estimated by analyzing the Bremsstrahlung spectra obtained using a standard alkali halide (NaI [Ti]) crystal detector. Experiments were carried out on argon plasma discharge from high performance ECR ion source operating at 14.45 GHz. The dependency of X-ray emission with microwave power has been studied in the range 50-400 W. It is verified that maximum energy gained by electrons in ECR plasma follows a power law Emax ⍺ P³/⁸. X-rays of more than 800 keV energy can be generated at very low microwave power as 400 W. The influence of magnetic field and gas pressure in the production of X-rays has also been analyzed.
 
Date 2009-01-06T05:51:19Z
2009-01-06T05:51:19Z
2007-12
 
Type Article
 
Identifier 0019-5596
http://hdl.handle.net/123456789/2717
 
Language en_US
 
Relation G01J3/28
 
Publisher CSIR
 
Source IJPAP Vol. 45(12) [December 2007]