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Study of opacity effects on emission lines at EXTRAP T2R RFP
KTH, Superseded Departments, Physics.ORCID iD: 0000-0001-7389-5501
2002 (English)In: Physica Scripta, ISSN 0031-8949, E-ISSN 1402-4896, Vol. 66, no 6, 444-448 p.Article in journal (Refereed) Published
Abstract [en]

We have investigated the influence of opacity on hydrogen (H-alpha and Ly-beta) and Li-like oxygen emission lines from the EXTRAP T2R reversed field pinch. We used the Atomic Data Analysis System (AzDAS) based on the escape factor approximation for radiative transfer to calculate metastable and excited population densities via a collisional-radiative model. Population escape factor. emergent escape factor and modified line profiles are plotted vs. optical depth. The simulated emission line ratios in the density/temperature plane are in good agreement with experimental data for electron density and temperature measurements.

Place, publisher, year, edition, pages
2002. Vol. 66, no 6, 444-448 p.
Keyword [en]
reversed-field pinch, spectroscopy
Identifiers
URN: urn:nbn:se:kth:diva-22174ISI: 000180374400007OAI: oai:DiVA.org:kth-22174DiVA: diva2:340872
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Rachlew, Elisabeth

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