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|Title:||Comparison of plasma visible spectral emissions between nova-UNICAMP and TCABR tokamaks|
|Author:||Do Nascimento, F.|
Schmutzler, L. M. F.
Severo, J. H. F.
Nascimento, I. C.
Sanada, E. K.
|Abstract:||A comparison between the visible spectrum emissions observed on the Nova-UNICAMP and TCABR tokamak plasmas has been made in this work using a hand top HR4000 Ocean Optics spectrometer equipped with a CCD detector. A number of 58 emission lines, in which 22 are common to both machines, have been observed and identified. The differences in the observed spectrum can be explained by the difference in the time integration used in these measurements and by the materials compositions of the limiter and electrode in the TCABR tokamak. Nearby peak emissions have been separated using multi-peak Gaussian fit curves obtaining separation between peak centres with the same order of the spectrometer resolution. The HR4000 spectrometer can be routinely used to monitor the impurity species in the visible spectrum from the different tokamak windows|
|Appears in Collections:||IFGW - Artigos e Outros Documentos|
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