Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/25656
Type: Artigo de periódico
Title: Vacuum ultraviolet and visible spectroscopy diagnostics on the NOVA-UNICAMP tokamak
Author: Daltrini, A.M.
Machida, M.
Monteiro, M.J.R.
Abstract: Three visible and one VUV spectrometers covering four toroidal positions have been set to study He and H plasma created by NOVA-UNICAMP tokamak. Ion temperatures have been measured at the beginning of the tokamak discharge by Doppler broadening of C, O and He lines. The time evolution of carbon line emissions, with different degrees of ionization, showed to have opposite behavior between high and low plasma ionization condition. The high density operation and 2 kHz oscillation present throughout discharge, caused by periodical touching of the plasma with NOVA-UNICAMP tokamak limiter, restrained the increase of ion temperature.
Editor: Sociedade Brasileira de Física
Rights: aberto
Identifier DOI: 10.1590/S0103-97332001000300024
Address: http://dx.doi.org/10.1590/S0103-97332001000300024
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332001000300024
Date Issue: 1-Sep-2001
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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