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Construction of a Nanosecond Time-Resolved IR Spectrometer Using a Photovoltaic MCT Detector

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Time-Resolved Vibrational Spectroscopy VI

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 74))

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Abstract

We have previously reported the development of a scanning (4000–700 cm−1) microsecond time-resolved IR (TRIR) spectrometer with very high sensitivity (ΔAbs < 10-6) [1]. This consisted of a dispersive IR monochromator and a photoconductive MCT detector. We found that the measurement of TRIR spectra in solution was hampered by the strong thermal artifact which occur at IR frequencies corresponding to solvent absorptions [2]. The risetime of the thermal artifact was found to have a microsecond delay with respect to the transient signal. With our microsecond TRIR spectrometer, however, we were not able to remove totally the thermal artifact. To solve this problem, we have developed a new spectrometer using a photovoltaic MCT detector with a 30 ns risetime.

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References

  1. C. Kato, K. Iwata and H. Hamaguchi, J. Spectrosc. Soc. Jpn., 40, 255 (1991).

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  2. C. Kato, M. W. George and H. Hamaguchi, Appl. Spectrosc., to be published.

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  3. M. W. George, C. Kato and H. Hamaguchi, Chem. Lett., 873 (1993).

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Authors and Affiliations

  1. Molecular Spectroscopy Laboratory, Kanagawa Academy of Science and Technology (KAST), KSP East 301, 3-2-1 Sakato, Takatsu-ku, Kawasaki-shi 213, Japan

    C. Kato, M. W. George & H. Hamaguchi

  2. R D Department, Yamazaki Works, Hitachi Chemical Co., Ltd., 4-13-1 Higashi-cho, Hitachi-shi 317, Japan

    C. Kato

  3. Department of Chemistry, University of Nottingham, Nottingham, NG7 2RD, UK

    M. W. George

Authors
  1. C. Kato
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  2. M. W. George
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  3. H. Hamaguchi
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Editor information

Editors and Affiliations

  1. Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie im Forschungsverbund Berlin e. V., Rudower Chaussee 6, D-12474, Berlin, Germany

    Albrecht Lau  & Wolfgang Werncke  & 

  2. Institut für Biophysik und Strahlenbiologie, Albert-Ludwigs-Universität, Albertstrasse 23, D-79104, Freiburg, Germany

    Friedrich Siebert

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© 1994 Springer-Verlag Berlin Heidelberg

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Kato, C., George, M.W., Hamaguchi, H. (1994). Construction of a Nanosecond Time-Resolved IR Spectrometer Using a Photovoltaic MCT Detector. In: Lau, A., Werncke, W., Siebert, F. (eds) Time-Resolved Vibrational Spectroscopy VI. Springer Proceedings in Physics, vol 74. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-85060-8_19

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  • DOI: https://doi.org/10.1007/978-3-642-85060-8_19

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-85062-2

  • Online ISBN: 978-3-642-85060-8

  • eBook Packages: Springer Book Archive

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