Correlation of lead borate glass structure with photoelastic response

Author: Shaw J. L.   Werner-Zwanziger U.   Zwanziger J. W.  

Publisher: Society of Glass Technology

ISSN: 0031-9090

Source: Physics and Chemistry of Glasses - European Journal of Glass Science and Technology Part B, Vol.47, Iss.4, 2006-08, pp. : 513-517

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Abstract

Lead borate glasses were examined in order to find correlations with their photoelastic response. Both 11B and 207Pb NMR spectra were acquired on several compositions spanning the range from positive to negative stress-optic coefficient. The 11B spectra showed the familiar dependence of N4 on composition, as had been seen in earlier studies of lead borates; the 207 Pb spectra showed a distinct change in coordination number from high to low, with a compositional trend that agrees with that of the stress-optic coefficient better than that of either N4 or the elastic modulus.

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