A Compact, Cylindrical Multi-pass Cell for Sensitive Detection of Gas Absorption

Tomokazu NISHIMOTO; Yoshihiro KATO; Ryuta SOMEYA; Junichi SATO; Takahiro NAKAMUR; Shigeru YAMAGUCHI; Kenzo NANRI; Tomoo FUJIOKA

doi:10.2184/lsj.36.1276

Laser Measurement

A Compact, Cylindrical Multi-pass Cell for Sensitive Detection of Gas Absorption

Tomokazu NISHIMOTO, Yoshihiro KATO, Ryuta SOMEYA, Junichi SATO, Takahiro NAKAMUR, Shigeru YAMAGUCHI, Kenzo NANRI, Tomoo FUJIOKA

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Keywords: Laser spectroscopy, Cylindrical multi-pass cell, Gas monitor

JOURNAL FREE ACCESS

2008 Volume 36 Issue APLS Pages 1276-1278

DOI https://doi.org/10.2184/lsj.36.1276

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Abstract

We developed a compact trace gas sensor, which incorporates a cylindrical thin-disk multi-pass cell. This cell is useful because the optical path length can be selected easily in a small absorption volume across the beam path of 25 cm³. We studied the optical characteristics of this cell and demonstrated some gas measurements with this system. This paper discusses the performance of the gas detection system which incorporates a cylindrical cell.

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