Lasers for scientific use; apparatus for optical signal transmission; bespoke optical apparatus; bespoke optical instruments; biosensors based on fluorescence-optical principles of measurement; electro-optical couplers; electro-optical devices; fibre optical elements; fibre optical sensors; glasses for optical use; integrated optical chips; integrated optical components for data transmission; integrated optical devices; optical apparatus and instruments; optical apparatus for measurement; optical apparatus for the transmission of data; optical apparatus for use in the detection of flaws; optical components for use in laboratory research; optical couplers; optical emitters; optical fibers (fibres) (light conducting filaments); optical fibre apparatus, other than for medical use; optical fibre cables; optical fibre sensors; optical fibre telecommunications apparatus; optical fibre temperature probes, other than for medical use; optical fibres; optical fibres being light conducting filaments; optical fibres for industrial applications; optical filters; optical glass; optical glasses; optical goods; optical measuring components; optical measuring devices; optical sensors; optical switches; optical temperature measuring instruments, other than for medical use; optical waveguides; optical waveguides in the form of glass fibres; plastic optical fibres; sensors incorporating optical fibres; sources of optical beams for communications; substrates for carrying information in optical form; waveguides (optical components)

Treatment of materials

Scientific calculators; optical measuring components; optical measuring devices; optical temperature instruments, other than for medical use

Treatment of materials