Mid infrared throughout with 5 μm aperture for H2O determination of an andesitic glass: Comparison of synchrotron radiation source at SPring-8 with conventional light sources

Tatsuhiko Kawamoto; Hiroyuki Kagi; Shigeru Yamashita; Tomoko Handa; Kyoko Matsukage; Yuka Ikemoto; Taro Moriwaki; Hiroaki Kimura

doi:10.2343/geochemj.37.253

Mid infrared throughout with 5 μm aperture for H₂O determination of an andesitic glass: Comparison of synchrotron radiation source at SPring-8 with conventional light sources

Tatsuhiko Kawamoto, Hiroyuki Kagi, Shigeru Yamashita, Tomoko Handa, Kyoko Matsukage, Yuka Ikemoto, Taro Moriwaki, Hiroaki Kimura

Institute for Planetary Materials

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Mid infrared throughput using 5 μm apertures was investigated using micro-FTIR spectrometers with conventional light sources at two laboratories and the synchrotron radiation infrared (SR-IR) light source at SPring-8. With both the light sources micro-FTIR microscopy can analyze the fundamental O-H vibration in andesitic glass with 1 weight % H₂O through 5 μm apertures. Spectra obtained at SPring-8 show better relative standard deviations due to the brighter and more highly collimated nature of SR-IR compared to conventional light sources. The spectra with 100 and 1000 scans at SPring-8 have similar relative standard deviations to those with 1000 and 10200 scans, respectively, at laboratories. The successful analysis with 5 μm apertures using both light sources shows the potential for an improvement in the spatial resolution of micro-FTIR analyses.

Original language	English
Pages (from-to)	253-259
Number of pages	7
Journal	GEOCHEMICAL JOURNAL
Volume	37
Issue number	2
DOIs	https://doi.org/10.2343/geochemj.37.253
Publication status	Published - 2003

ASJC Scopus subject areas

Geophysics
Geochemistry and Petrology

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Kawamoto, T, Kagi, H, Yamashita, S, Handa, T, Matsukage, K, Ikemoto, Y, Moriwaki, T & Kimura, H 2003, 'Mid infrared throughout with 5 μm aperture for H₂O determination of an andesitic glass: Comparison of synchrotron radiation source at SPring-8 with conventional light sources', GEOCHEMICAL JOURNAL, vol. 37, no. 2, pp. 253-259. https://doi.org/10.2343/geochemj.37.253

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abstract = "Mid infrared throughput using 5 μm apertures was investigated using micro-FTIR spectrometers with conventional light sources at two laboratories and the synchrotron radiation infrared (SR-IR) light source at SPring-8. With both the light sources micro-FTIR microscopy can analyze the fundamental O-H vibration in andesitic glass with 1 weight % H2O through 5 μm apertures. Spectra obtained at SPring-8 show better relative standard deviations due to the brighter and more highly collimated nature of SR-IR compared to conventional light sources. The spectra with 100 and 1000 scans at SPring-8 have similar relative standard deviations to those with 1000 and 10200 scans, respectively, at laboratories. The successful analysis with 5 μm apertures using both light sources shows the potential for an improvement in the spatial resolution of micro-FTIR analyses.",

author = "Tatsuhiko Kawamoto and Hiroyuki Kagi and Shigeru Yamashita and Tomoko Handa and Kyoko Matsukage and Yuka Ikemoto and Taro Moriwaki and Hiroaki Kimura",

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doi = "10.2343/geochemj.37.253",

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T2 - Comparison of synchrotron radiation source at SPring-8 with conventional light sources

AU - Kawamoto, Tatsuhiko

AU - Kagi, Hiroyuki

AU - Yamashita, Shigeru

AU - Handa, Tomoko

AU - Matsukage, Kyoko

AU - Ikemoto, Yuka

AU - Moriwaki, Taro

AU - Kimura, Hiroaki

PY - 2003

Y1 - 2003

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AB - Mid infrared throughput using 5 μm apertures was investigated using micro-FTIR spectrometers with conventional light sources at two laboratories and the synchrotron radiation infrared (SR-IR) light source at SPring-8. With both the light sources micro-FTIR microscopy can analyze the fundamental O-H vibration in andesitic glass with 1 weight % H2O through 5 μm apertures. Spectra obtained at SPring-8 show better relative standard deviations due to the brighter and more highly collimated nature of SR-IR compared to conventional light sources. The spectra with 100 and 1000 scans at SPring-8 have similar relative standard deviations to those with 1000 and 10200 scans, respectively, at laboratories. The successful analysis with 5 μm apertures using both light sources shows the potential for an improvement in the spatial resolution of micro-FTIR analyses.

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Mid infrared throughout with 5 μm aperture for H₂O determination of an andesitic glass: Comparison of synchrotron radiation source at SPring-8 with conventional light sources

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