The Discovery of New Emission Lines From Highly Charged Heavy Ions

Friday, July 29, 2016 - 13:31 in Physics & Chemistry

Professors Chihiro Suzuki and Izumi Murakami's research group at the National Institute for Fusion Science, together with Professor Fumihiro Koike of Sophia University, injected various elements with high atomic numbers and produced highly charged ions(*1) in LHD plasmas. By measuring the emission spectrum of the extreme ultraviolet wavelength range, they discovered a new spectral line that had not been observed experimentally in the past. This result is not only significant for basic science research, it also is useful fundamental data for plasma application research such as the development of extreme ultraviolet lithography(*2) light sources. This research result was presented in an invited talk at the 43rd European Physical Society Conference on Plasma Physics, which was held from July 4, 2016, to July 8, 2016.

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