Thermo-optical properties measurements in chalcogenide glasses using thermal relaxation and thermal lens methods
Lima, S.M., Steimacher, A., Medina, A.N., Baesso, M.L., Petrovich, M.N., Rutt, H.N. and Hewak, D.W. (2004) Thermo-optical properties measurements in chalcogenide glasses using thermal relaxation and thermal lens methods. Journal of Non-Crystalline Solids, 348, 108-112. (doi:10.1016/j.jnoncrysol.2004.08.134).
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Description/Abstract
In this work we determine the thermo-optical properties of two chalcogenide glasses (in mol%): 65 Ga2S3; 30 La2S3; 5 La2O3 (Ga:La:S) and 72.5 Ga2S3; 27.5 La2O3 (Ga:La:S:O). The thermal relaxation calorimetry and the thermal lens technique were combined so that the samples specific heat, thermal diffusivity, thermal conductivity, and the temperature coe.cient of the optical path length change could be measured. Our results indicate that changes in thermal diffusivity (~2.7 · 10^-3 cm^2/s) and conductivity (~4.8 x 10^-3W/Kcm) observed when La2O3 is added in the glass compounds are less than the error in the data.
| Item Type: | Article |
|---|---|
| Additional Information: | Proceedings of the 6th Brazilian Symposium of Glases and Related Materials and 2nd International Symposium on Non-Crystalline Solids in Brazil. |
| ISSNs: | 0022-3093 (print) |
| Related URLs: | |
| Subjects: | T Technology > TP Chemical technology Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 15023 |
| Date Deposited: | 10 May 2005 |
| Last Modified: | 02 Jun 2013 01:21 |
| Contributors: | Lima, S.M. (Author) Steimacher, A. (Author) Medina, A.N. (Author) Baesso, M.L. (Author) Petrovich, M.N. (Author) Rutt, H.N. (Author) Hewak, D.W. (Author) |
| Date: | 15 November 2004 |
| Additional Information: | Proceedings of the 6th Brazilian Symposium of Glases and Related Materials and 2nd International Symposium on Non-Crystalline Solids in Brazil. |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/15023 |
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