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Optical properties of Dy 3+ doped zinc phosphate glasses have been investigated. In the present study glasses with the composition xZnO.(1-x)P 2 O 5 (0.5=<x=<0.7) (typical value of x=0.667) containing 0.5 mol weight of Dy 2 O 3 are prepared. The density of the glass is determined by Archimedes's principle and the refractive index is measured on Abbe...
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