• I B Singh

      Articles written in Pramana – Journal of Physics

    • Two photon absorption spectrum ofp-dichlorobenzene

      I B Singh S B Rai D K Rai

      More Details Abstract Fulltext PDF

      Two photon absorption spectrum ofp-dichlorobenzene has been studied in the spectral region 497–552 nm (one photon wavelength). Bands involving several frequencies of the excited electronic state not detected in the one photon absorption are seen. The observed two photon spectrum indicates that the electronic transition retains, to a large extent, the salient features of the two photon absorption spectrum of benzene and thus confirms chlorine as weak perturber (in the sense of Goodman and Rava [1]).

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