Shimadzu Review Vol.81[1・2](2024)
Sustainable Society and Advanced Technology

SPECIALLY COLLECTED PAPERS

Development of a Cavity Ring Ring-Down Spectroscopy System for Biobased Carbon Content Measurement

by Yuta Kawashima1Kazune Mano, Ph.1Junki Sakamoto1Bunta Matsuhana1Yoko Furihata1Tetsuo Furumiya, Ph.D.1Koji Tojo1Hideki Tomita, Ph.2

Shimadzu Review 81[1・2] (2024)

Abstract

Cavity ring ring-down spectroscopy (CRDS) is one of several techniques that dramatically improve the sensitivity of laser absorption spectroscopy. We are developing a CRDS system for radioactive carbon isotope ( 14 C) analysis ( 14 CC-CRDS) intended for use in biobased carbon content determination. This article describes the development of key technologies for this 14 CC-CRDS system and proof proof-ofof-principle experiments that demonstrate the performance of these technologies in an experimental 14 CC-CRDS system.

1Advanced Analysis Unit, Technology Research Laboratory, Shimadzu Corporation, Kyoto, Japan
2Department of Applied Energy, Nagoya University, Nagoya, Japan

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