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The absorption of ultraviolet radiation by diamond

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Summary

The thinnest diamonds of the so-called ultraviolet opaque type have been shown to exhibit transmission upto 2240 Å which is also the limit for the so-called ultraviolet transparent type. In a diamond showing blue luminescence, five new absorption bands have been discovered for the first time in the region below 2300 Å. The variation of absorption coefficient with wavelength for a typical blue-luminescent diamond has been determined for the first time in the region 3030 Å-2570 Å. Finally, the ultraviolet transmission limits for a number of diamonds have been obtained for different photographic exposures and the data correlated with their luminescence and mean infra-red absorption coefficient in the 8 μ region.

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(Communicated by Sir C. V. Raman,kt., f.r.s., n.l.)

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Ramanathan, K.G. The absorption of ultraviolet radiation by diamond. Proc. Indian Acad. Sci. (Math. Sci.) 24, 137 (1946). https://doi.org/10.1007/BF03170748

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  • DOI: https://doi.org/10.1007/BF03170748

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