Plasma and Fusion Research

Volume 20, 2401002 (2025)

Regular Articles

SI-Traceable Line Intensity of H2O near 1.393 µm
Hisashi ABE1), Koji HASHIGUCHI1), Minami AMANO1,2), Agata CYGAN2), Daniel LISAK2) and Roman CIURYŁO2)
1)
National Metrology Institute of Japan (NMIJ/AIST), AIST Tsukuba Central 3, Tsukuba 305-8563, Japan
2)
Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University in Torun, Grudziadzka 5, 87-100 Torun, Poland
(Received 30 July 2024 / Accepted 9 September / Published 22 January 2025)

Abstract

We recently reported the quantity values of line intensity for H2O near 1.393 µm in a manner traceable to the International System of Units (SI). This paper briefly describes how to determine the reliable values of the line intensity, mainly focusing on the SI-traceability.

Keywords

humidity, trace-moisture, SI-traceability, reliability, primary measurement standards

DOI: 10.1585/pfr.20.2401002

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