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Optical and thermal properties of binary calcium phosphate and barium phosphate glasses

Optical and thermal properties of binary calcium phosphate and barium phosphate glasses
Optical and thermal properties of binary calcium phosphate and barium phosphate glasses
Binary calcium phosphate and barium phosphate glasses corresponding to xCaO–(100-x)P2O5 and xBaO–(100-x)P2O5, respectively, have been prepared in the range of 20≤x≤50. Assessment of the optical and thermal properties reveal that refractive index (n) and glass transition temperature (Tg) show a minima while thermal expansion coefficient (α) and thermo-optic coefficient (dn/dT) change monotonically as the amount of modifying oxides, CaO and BaO, increase. α > 9 × 10-6/°C is required for the calcium phosphate and barium phosphate glasses to exhibit negative dn/dT.
thermal expansion coefficient, thermo-optic coefficient, calcium phosphate, barium phosphate
200-206
Lee, E.T.Y.
f47c6d5d-2d1f-4f03-a3ff-03658812d80b
Taylor, E.R.M.
cc92e3b4-87b4-42dd-ae10-4c6a4a849d71
Lee, E.T.Y.
f47c6d5d-2d1f-4f03-a3ff-03658812d80b
Taylor, E.R.M.
cc92e3b4-87b4-42dd-ae10-4c6a4a849d71

Lee, E.T.Y. and Taylor, E.R.M. (2006) Optical and thermal properties of binary calcium phosphate and barium phosphate glasses. Optical Materials, 28 (3), 200-206. (doi:10.1016/j.optmat.2004.12.010).

Record type: Article

Abstract

Binary calcium phosphate and barium phosphate glasses corresponding to xCaO–(100-x)P2O5 and xBaO–(100-x)P2O5, respectively, have been prepared in the range of 20≤x≤50. Assessment of the optical and thermal properties reveal that refractive index (n) and glass transition temperature (Tg) show a minima while thermal expansion coefficient (α) and thermo-optic coefficient (dn/dT) change monotonically as the amount of modifying oxides, CaO and BaO, increase. α > 9 × 10-6/°C is required for the calcium phosphate and barium phosphate glasses to exhibit negative dn/dT.

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More information

e-pub ahead of print date: 2005
Published date: 2006
Keywords: thermal expansion coefficient, thermo-optic coefficient, calcium phosphate, barium phosphate

Identifiers

Local EPrints ID: 30207
URI: http://eprints.soton.ac.uk/id/eprint/30207
PURE UUID: 9819fbea-a365-4955-938c-bf6f002cb5fb

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Date deposited: 11 May 2006
Last modified: 15 Mar 2024 07:38

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Contributors

Author: E.T.Y. Lee
Author: E.R.M. Taylor

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