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Tellurite And Fluorotellurite Glasses For Active And Passive

Tellurite And Fluorotellurite Glasses For Active And Passive

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10. Future work; MDO 397<br />

• Heat capacity (Cp) measurements in DTA / DSC to thermodynamically compare<br />

TeO2-Na2O-ZnF2 fragility to oxide tellurite and fluorozirconate glasses.<br />

• Further crystallisation studies of TeO2-Na2O-ZnF2 glasses to determine the phase<br />

fields of NaZnF3 and Zn2Te3O8, and relate this to glass stability.<br />

• Further etching of TeO2-Na2O-ZnF2 glasses, concentrating on HF, acetic, and<br />

phosphoric acids, with the etched surfaces characterized by XPS.<br />

• TGA-mass spectrometry [3] of fluorotellurite glass melt volatilisation.<br />

10.1. References<br />

[1] R. Stegeman, L. Jankovic, H. Kim, C. Rivero, G. Stegeman, K. Richardson, and<br />

P. Delfyett, "<strong>Tellurite</strong> glasses with peak absolute Raman gain coefficients up to<br />

30 times that of fused silica," Optics Letters, vol. 28, pp. 1126-1128, 2003.<br />

[2] T. M. Benson, A. Vukovic, P. Sewell, D. Zhang, M. D. O'Donnell, J. Lousteau, D.<br />

Furniss, and A. B. Seddon, "Fibre on glass (FOG): a novel concept for planar<br />

photonics," presented at 6th International Conference on Transparent Optical<br />

Networks (ICTON), Wroclaw, Poland, 2004.<br />

[3] M. Kamruddin, P. K. Ajikumar, S. Dash, A. K. Tyagi, and B. Raj,<br />

"Thermogravimetry-evolved gas analysis–mass spectrometry system for materials<br />

research," Bulletin of Materials Science, vol. 26, pp. 449-461, 2003.

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