Broadening and collisional interference of lines in the IR spectra of ammonia. Theory

M. R. Cherkasov

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    1 Citation (Scopus)


    The general theory of relaxation spectral shape parameters in the impact approximation (M. R. Cherkasov, J. Quant. Spectrosc. Radiat. Transfer 141, 73 (2014)) is adapted to the case of line broadening of infrared spectra of ammonia. Specific features of line broadening of parallel and perpendicular bands are discussed. It is shown that in both cases the spectrum consists of independently broadened singlets and doublets; however, the components of doublets can be affected by collisional interference. The paper is the first part of a cycle of studies devoted to the problems of spectral line broadening of ammonia.

    Original languageEnglish
    Pages (from-to)827-834
    Number of pages8
    JournalOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
    Issue number6
    Publication statusPublished - 1 Jun 2016


    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Atomic and Molecular Physics, and Optics

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