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Material dispersion in heavy metal oxide glasses containing bi2o3

Authors
Publisher
Elsevier B.V.
Publication Date
Volume
92
Issue
1
Identifiers
DOI: 10.1016/s0022-3093(87)80361-7

Abstract

The refractive index of PbO-Bi 2O 3-Ga 2O 3 and CdO-Bi 2O 3-Ga 2O 3 glasses has been measured between 0.5 and 5.0 μm, and their material dispersion has been evaluated. The cross-over wavelengths are near 3 μm. Electronic and lattice dispersion parameters have been obtained, and compared with those of heavy metal fluoride glasses. The material dispersion values at 3.5 μm are comparable for the oxide and fluoride glasses, while the cross-over wavelength is larger in the oxide glass.

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