Fibre and Integrated optics, Planar waveguides, optical transmission systems, optical switching, MIR light generation and processing with integrated optics, Semiconductor processing methodology, Liquid crystals, optical polymers, Tellurite and Chalcogenide glasses and devices, Ultrafast laser system development and applciations, Laser processing, Optical metrology system development, Optical coatings for thin film filters/mirrors etc, diamond turned optics