42 Custom design and engineering of optical components and systems; custom design and engineering of optical components and systems for a fiber optic communication network; custom design and engineering of optical components and systems from the assembly of passive optical elements or active optical elements; custom design and engineering of optical components and systems from optical glass assembly, optical lenses, prisms [optics], diffraction gratings, attenuators, circulators, polarization controllers, couplers [data processing equipment], wavelength extractors and isolators, mirrors [optics], multiplexers, demultiplexers, polarimeters or rotators, amplifiers, attenuators, signal converters, demodulators, modulators, diodes, photodiodes, transceivers, switches, optical filters, magneto-optical elements and/or acoustic-optical elements; custom design and engineering of multiplexers, wavelength multiplexers, multiplexers for telecommunication, time division multiplexers, demultiplexers, interferometers, interferometers for demodulating an optical telecommunication signal, heterodyne detection interferometers, optical delay lines, frequency meters; research and development of new products for third parties, in particular in the optical field
Trademark: 79346805
