Magneto-optical rotation of heavy-metal oxide glasses
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Data
1998-07-01
Autores
Pedroso, C. B.
Munin, Egberto
Villaverde, A. Balbin
Aranha, N. [UNESP]
Reynoso, V. C. Solano
Barbosa, L. C.
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Resumo
Magneto-optical rotation was measured at room temperature for glasses containing Bi2O3-CdO-GeO2 (BCG), and Bi2O3-PbO-GeO2-B2O3 (BPGP). A pulsed magnetic field between 50 and 80 KG was used to measure Faraday rotation at 632.8 nm as a function of the concentration of Bi and Cd for BCG and Bi and Pb for BPGB. Verdet constant as high as 0.162 min G-1 cm-1 at 632.8 nm for the BPGB sample with the highest concentrations of Bi and Cd was found. Verdet constant increases linearly with the heavy-metal concentration for the BPGB whereas it reaches some saturation for the BCG system. Measurements of the magneto-optical rotation at other wavelengths in the visible and the refractive index at 632.8 nm are also reported. © 1998 Elsevier Science B.V. All rights reserved.
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Bismuth compounds, Cadmium compounds, Composition effects, Faraday effect, Germanium compounds, Lead compounds, Optical rotation, Oxides, Refractive index, Verdet constant, Optical glass
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Journal of Non-Crystalline Solids, v. 231, n. 1-2, p. 134-142, 1998.