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Type: Artigo de evento
Title: Spectral Line Profile Analysis Using Higher Diffraction Order In Vacuum Ultraviolet Region
Author: Machida M.
Daltrini A.M.
Severo J.H.F.
Nascimento I.C.
Sanada E.K.
Elizondo J.I.
Kuznetsov Y.K.
Galvao R.M.O.
Abstract: Using a one meter VUV spectrometer and a MCP coupled to a CCD detector on TCABR tokamak, ion temperatures from impurity species have been measured and much better spectral resolution was obtained using higher order diffraction lines. Due to very small Doppler effect in the VUV region compared to large instrumental broadening, ion temperatures obtained from first order diffraction present large errors. The use of second, third and fourth order diffraction emissions increases the line broadening and results in lower error temperature measurements. © 2008 American Institute of Physics.
Citation: Aip Conference Proceedings. , v. 996, n. , p. 235 - 240, 2008.
Rights: aberto
Identifier DOI: 10.1063/1.2917017
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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