Invited Talks at International Conferences.
• Rank Prize Funds Minisymposium on Metamaterials in Nature and Technology, Windermere, UK, 21-24 August 2006.
• Gordon Research Conference on Biomineralization, New Hampshire, USA, 2nd August 2006.
• International Conference on Electrical, Transport, and Optical Properties of Inhomogeneous Media, Sydney, Australia, 14th July 2006.
• The Future of LEDs International Conference, London, UK, 26th June 2006.
• Colour Vision Group Meeting, Institute of Ophthalmology, London, UK, 12th January 2006
• International Conference on Diffractive Optics (DO2005), Warsaw, Poland, 3rd-6th September 2005.
• Materials Research Society International Conference, San Francisco, USA, 31st February 2005.
• 2nd International Conference on Advanced Materials and Nanotechnology, Queenstown, New Zealand, 8th February 2005.
• Optonet Photonicnet EFDS International Workshop, Fraunhofer Institut Angewandte Optik und Feinmechanik (Fraunhofer Institute of Optics), 4th November 2004.
• Diffractive Optics and Micro-Optics Conference, Rochester, USA, October 10-13, 2004, invited talk.
• Optical Interference Coatings International Conference, Tucson, Arizona, USA, 27th June - 1st July 2004.
• Dielectrics at Meso and Nano Scales Conference, University of Kent, Canterbury, UK, 19th April 2004.
• International Conference on Structural Colour, Osaka, Japan, November 2003.
•IEEE/LEOS International Conference on Optical MEMS, Hawaii, USA, August 2002.
• International Workshop on Frontiers in Electronics, St. Croix, USA, Jan 2002.
• SPIE International Conference, San Diego California, USA, August 2001.
• IoP Special Meeting, Optics of Microstructured and Nanostructured Materials, London, Nov 2001.
• British Association Invited Speaker for National Science Week, London, March 2000.
• Biomimetics III conference, University of Reading, Reading, September 1998.
• The Rank Prize Funds Opto-electronic Materials for the New Millenium Conference, Grasmere, Yorkshire. (Conference prize for "Best Invited Talk"), October 1998:
• Optical Design in Nature Conference, Bath University, Bath: July, 1998.


