Extreme Ultraviolet Radiation Sources from Dense Plasmas

The concept of dense and hot plasmas can be used to build up powerful and brilliant radiation sources in the soft X-ray and extreme ultraviolet spectral range. Such sources are used for nanoscale imaging and structuring applications, such as EUV lithography in the semiconductor industry. An understa...

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Main Author: Klaus Bergmann
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Atoms
Subjects:
Online Access:https://www.mdpi.com/2218-2004/11/9/118
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author Klaus Bergmann
author_facet Klaus Bergmann
author_sort Klaus Bergmann
collection DOAJ
description The concept of dense and hot plasmas can be used to build up powerful and brilliant radiation sources in the soft X-ray and extreme ultraviolet spectral range. Such sources are used for nanoscale imaging and structuring applications, such as EUV lithography in the semiconductor industry. An understanding of light-generating atomic processes and radiation transport within the plasma is mandatory for optimization. The basic principles and technical concepts using either a pulsed laser or a gas discharge for plasma generation are presented, and critical aspects in the ionization dynamics are outlined within the framework of a simplified atomic physics model.
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spelling doaj.art-e6ae08f486854400b3c97981f8c84c312023-11-19T09:31:46ZengMDPI AGAtoms2218-20042023-08-0111911810.3390/atoms11090118Extreme Ultraviolet Radiation Sources from Dense PlasmasKlaus Bergmann0Fraunhofer Institute for Laser Technology ILT, Steinbachstr. 15, D-52074 Aachen, GermanyThe concept of dense and hot plasmas can be used to build up powerful and brilliant radiation sources in the soft X-ray and extreme ultraviolet spectral range. Such sources are used for nanoscale imaging and structuring applications, such as EUV lithography in the semiconductor industry. An understanding of light-generating atomic processes and radiation transport within the plasma is mandatory for optimization. The basic principles and technical concepts using either a pulsed laser or a gas discharge for plasma generation are presented, and critical aspects in the ionization dynamics are outlined within the framework of a simplified atomic physics model.https://www.mdpi.com/2218-2004/11/9/118XUV light sourceplasma radiation sourcelaser-produced plasmadischarge plasma
spellingShingle Klaus Bergmann
Extreme Ultraviolet Radiation Sources from Dense Plasmas
Atoms
XUV light source
plasma radiation source
laser-produced plasma
discharge plasma
title Extreme Ultraviolet Radiation Sources from Dense Plasmas
title_full Extreme Ultraviolet Radiation Sources from Dense Plasmas
title_fullStr Extreme Ultraviolet Radiation Sources from Dense Plasmas
title_full_unstemmed Extreme Ultraviolet Radiation Sources from Dense Plasmas
title_short Extreme Ultraviolet Radiation Sources from Dense Plasmas
title_sort extreme ultraviolet radiation sources from dense plasmas
topic XUV light source
plasma radiation source
laser-produced plasma
discharge plasma
url https://www.mdpi.com/2218-2004/11/9/118
work_keys_str_mv AT klausbergmann extremeultravioletradiationsourcesfromdenseplasmas