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Observation of multiply ionized plasmas with dominant bound electron contribution to the index of refraction

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Title: Observation of multiply ionized plasmas with dominant bound electron contribution to the index of refraction
Authors: Filevich, J.1 rage@engr.colostate.edu, Rocca, J.J.1, Marconi, M.C.1, Moon, S.J.2, Nilsen, J.2, Scofield, J.H.2, Dunn, J.2, Smith, R.F.2, Keenan, R.2, Hunter, J.R.2, Shlyaptsev, V.N.3
Source: Journal of Quantitative Spectroscopy & Radiative Transfer. May2006, Vol. 99 Issue 1-3, p165-174. 10p.
Subjects: Plasma gases, Optical measurements, Cathode rays, Properties of matter
Abstract: Abstract: We report anomalous fringe shifts observed in soft X-ray laser interferograms of laser-created Al plasmas. This clear experimental evidence shows that the contribution of bound electrons can dominate the index of refraction of laser-created plasmas at soft X-ray wavelengths, resulting in values greater than 1. The comparison of measured and simulated interferograms shows that this results from the dominant contribution of low-charge ions to the index of refraction. This usually neglected bound electron contribution can affect the propagation of soft X-ray radiation in plasmas and the interferometric diagnostics of plasmas for many elements. [Copyright &y& Elsevier]
Copyright of Journal of Quantitative Spectroscopy & Radiative Transfer is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 19340995
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Observation of multiply ionized plasmas with dominant bound electron contribution to the index of refraction
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  Data: <searchLink fieldCode="AR" term="%22Filevich%2C+J%2E%22">Filevich, J.</searchLink><relatesTo>1</relatesTo><i> rage@engr.colostate.edu</i><br /><searchLink fieldCode="AR" term="%22Rocca%2C+J%2EJ%2E%22">Rocca, J.J.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Marconi%2C+M%2EC%2E%22">Marconi, M.C.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Moon%2C+S%2EJ%2E%22">Moon, S.J.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Nilsen%2C+J%2E%22">Nilsen, J.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Scofield%2C+J%2EH%2E%22">Scofield, J.H.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Dunn%2C+J%2E%22">Dunn, J.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Smith%2C+R%2EF%2E%22">Smith, R.F.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Keenan%2C+R%2E%22">Keenan, R.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Hunter%2C+J%2ER%2E%22">Hunter, J.R.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Shlyaptsev%2C+V%2EN%2E%22">Shlyaptsev, V.N.</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Quantitative+Spectroscopy+%26+Radiative+Transfer%22">Journal of Quantitative Spectroscopy & Radiative Transfer</searchLink>. May2006, Vol. 99 Issue 1-3, p165-174. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Plasma+gases%22">Plasma gases</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+measurements%22">Optical measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Cathode+rays%22">Cathode rays</searchLink><br /><searchLink fieldCode="DE" term="%22Properties+of+matter%22">Properties of matter</searchLink>
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  Data: Abstract: We report anomalous fringe shifts observed in soft X-ray laser interferograms of laser-created Al plasmas. This clear experimental evidence shows that the contribution of bound electrons can dominate the index of refraction of laser-created plasmas at soft X-ray wavelengths, resulting in values greater than 1. The comparison of measured and simulated interferograms shows that this results from the dominant contribution of low-charge ions to the index of refraction. This usually neglected bound electron contribution can affect the propagation of soft X-ray radiation in plasmas and the interferometric diagnostics of plasmas for many elements. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Journal of Quantitative Spectroscopy & Radiative Transfer is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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