Gas-temperature-dependent generation of cryoplasma jet under atmospheric pressure

Yuri Noma, Jai Hyuk Choi, Takaaki Tomai, Kazuo Terashima

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


Plasma with a gas temperature below room temperature is not yet fully understood although it is expected to be an attractive tool for applications to material processing. In the present work, gas-temperature-dependent generation of a cryoplasma jet was studied. So far, we have generated a helium cryoplasma jet (296-5 K) under atmospheric pressure. At gas temperatures below 20 K, the helium excimer, He2, was observed clearly from by optical emission spectroscopy.

Original languageEnglish
Article number101503
JournalApplied Physics Letters
Issue number10
Publication statusPublished - 2008


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