Abstract
IN a recent paper1, we have shown that the infrared frequencies of glass can be calculated by taking the wave-lengths of the maxima of absorption bands of didymium glass as the incident exciting radiations, and those of the maxima of the fluorescent bands of the same glass excited by sunlight, as the Raman lines. The values thus obtained are in excellent agreement with those obtained for glass by the usual method of experimentation using a mercury lamp and many hours of exposure.
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References
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Trans. Chem. Soc., 99, 637 (1911).
” Molecular Spectra and Molecular Structure”, Faraday Soc. Disc. No. 790, pp. 860–63 (1929).
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PROSAD, K., BHATTACHARYA, D. Excitation of Raman Spectra of Substances with the aid of Optical Catalysers. Nature 138, 510–511 (1936). https://doi.org/10.1038/138510a0
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DOI: https://doi.org/10.1038/138510a0
