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Optical properties of lead-bismuth cuprous glasses

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Abstract

The optical transmission and absorption spectra in UV- VIS were recorded in the wavelength range 350–800 nm for different glass compositions in the system (CuO) x (PbO) 50x(Bi2O3)50 (x = 2.5, 5.0, 7.5, 10.0, 12.5, 15.0, 20.0). Absorption coefficient (α), optical energy gap (Eopt), refractive index (nD), optical dielectric constant (ε′), measure of extent of band tailing (ΔE), constant (β) and ratio of carrier concentration to the effective mass (N/m*) have been reported. The effects of compositions of glasses on these parameters have been discussed. It has been indicated that a small compositional modification of the glasses lead to an important change in all the optical properties including non-linear behaviour. The optical parameters were found to be almost the same for different glasses in the same family.

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Deshmukh, P.T., Burghate, D.K., Deogaonkar, V.S. et al. Optical properties of lead-bismuth cuprous glasses. Bull Mater Sci 26, 639–642 (2003). https://doi.org/10.1007/BF02704329

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  • DOI: https://doi.org/10.1007/BF02704329

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