Abstract
The refractive index is measured for PbEuTe alloys in the 3.3–12-μm spectral region. Each alloy is grown with a different Eu concentration. The range of Eu concentrations studied is between 0.76 and 6.5 at. %. All measurements are performed on samples maintained at room temperature. We use a classical dispersion relation to establish a simple empirical relationship that describes the dependence of the refractive index as a function of both the percentage of the Eu concentration and the infrared wave number.
© 1993 Optical Society of America
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Z. Feit, R. Woods, D. Kostyk, Richard Papez, Y. A. Mantz, M. A. Cummings, and A. W. Mantz, "Measurements of the refractive index of PbEuTe in the 3–10-μm region of the infrared: errata," Appl. Opt. 32, 6187-6187 (1993)https://opg.optica.org/ao/abstract.cfm?uri=ao-32-30-6187
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