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Lowering the Spectral Detection Threshold for Molecular Impurities in Gas Mixtures by Interference Multiplexing

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Journal of Applied Spectroscopy Aims and scope

We consider the most feasible ways to significantly improve the sensitivity of spectroscopic methods for detection and measurement of trace concentrations of greenhouse gas molecules in the atmosphere. The proposed methods are based on combining light fluxes from a number of spectral components of the specified molecule on the same photodetector, taking into account the characteristic features of the transmission spectrum of devices utilizing multipath interference effects.

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Authors and Affiliations

  1. St. Petersburg State University, 7/9 Universitetskaya Emb, St. Petersburg, 199034, Russia

    M. P. Ivanov & Yu. A. Tolmachev

Authors
  1. M. P. Ivanov
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  2. Yu. A. Tolmachev
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Correspondence to Yu. A. Tolmachev.

Additional information

Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 85, No. 2, pp. 335–340, March–April, 2018.

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Ivanov, M.P., Tolmachev, Y.A. Lowering the Spectral Detection Threshold for Molecular Impurities in Gas Mixtures by Interference Multiplexing. J Appl Spectrosc 85, 349–354 (2018). https://doi.org/10.1007/s10812-018-0655-z

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  • DOI: https://doi.org/10.1007/s10812-018-0655-z

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