Department of Physics

Department News

Student Seminar for April 11, 2012

Apr 5, 2012

*****Seminar Announcement*****

PHYS600 Wednesday, April 11, 4:00-4:50 pm
Currens Hall 205

All physics faculty and students are invited.

Speaker: Abdelsalam Talafha
Graduate Student, Physics Department, WIU

Title: "Compositional Variation of Refractive Index in Lead Borate Glasses"


Lead borate glasses have low melting temperatures, wide glass formation regions, and good radiation shielding properties. We prepared lead borate samples by varying PbO concentration from 30 to 70 mol% and their refractive indices were measured using the Brewster angle method. Theoretically, the refractive index is expected to increase linearly with PbO concentration. However, the experimental values show refractive indices do not follow the linear behavior at higher values of PbO concentration.

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