| 22 Mar 1996 |
Regional: Invited lecture at the 4th Institute of Materials (E. Asia) Conf. On Recent Advances in Materials Processing, Characterization and Applications, Singapore |
| Dec 1999 |
Invited talk, International Workshop on Superconducting films and Devices, Singapore |
| 25-31 Dec 1999 |
Plenary lecture, 10th National Conference on High Pressure Science, China |
| 1-4 Mar 2000 |
Plenary lecture, International Conference on Lasers and their Applications, Tamil Nadu, India |
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Inaugural Address, International Conference on Lasers and their Applications, Tamil Nadu, India |
| 10 Apr 2000 |
Invited lecture, Seminar on Applications of Raman Spectroscopy in Semiconductor Industry, Singapore |
| 27-31 Aug 2000 |
Plenary lecture: XVIIth International Conference on Raman Spectroscopy – Kunming Satellite Conference, Kunming, China |
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Plenary lecture at the 2nd Annual Conference of the Physics Societies of the Northeast Region, China |
| 4-7 Dec 2001 |
Plenary lecture at the 11th Chinese National Conference on Light Scattering, Xiamen, China |
| 2-30 Aug 2002 |
Invited talk, the XIVth International Conference on Raman Spectroscopy, Budapest, Hungary |
| 5-8 Jul 2003 |
Invited talk, Second International Conference on Biomedical Spectroscopy, London, UK |
| 26-29 Oct 2003 |
Invited talk, the XII Chinese National Conference on Light Scattering which will be held in Dalian, China |
| 1-3 Aug 2004 |
Invited Talk: International Conference on Optoelectronics and Spectroscopy of Nano-structured Thin Films and Materials, Beijing, China |
| 12-14 Nov 2004 |
Invited Talk: The 3rd Asia Conference on Chemical Vapor Deposition, Taipei, Taiwan |
| 1-3 Aug 2004 |
Organising Committee, International Conference on Optoelectronics and Spectroscopy of Nano-structured Thin Films and Materials, Beijing, China |
| 23-25 Oct 2004 |
Plenary Talk: 2004 International Symposium on Luminescence, Dalian, China |