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Analysis of Thermal Variation of Length and Refractive Index of Lead Fluoride to Study its Optical Properties

Published online by Cambridge University Press:  21 February 2011

T. S. Aurora ,
D. O. Pederson  and
S. M. Day
T. S. Aurora
Affiliation:
Department of Mathematics and Physics, Philadelphia College of Pharmacy and Science, Philadelphia, PA 19104
D. O. Pederson
Affiliation:
Department of Physics, University of Arkansas, Fayetteville, AR 72701
S. M. Day
Affiliation:
Department of Physics, Miami University, Oxford, OH 45056
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Abstract

Linear thermal expansion and refractive index variation have been measured in lead fluoride with a laser interferometer as a function of temperature. Data has been analyzed using the Lorentz-Lorenz relation. Molecular polarizability, band gap, variation of refractive index with density, and strain-polarizability parameter have been studied as a function of temperature. They exhibit a small variation with temperature except near the superionic phase transition where the variation appears to be more pronounced. The results are in good agreement with the published data near room temperature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 172: Symposium P – Optical Fiber Materials and Processing , 1989 , 295
Copyright
Copyright © Materials Research Society 1990

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