Light sources and light source systems for non-medical use, in particular lasers, fiber lasers, solid state lasers, laser diodes, tunable diode lasers, narrow linewidth lasers, broadband light sources, supercontinuum light sources, and pulsed lasers, in particular lasers providing femtosecond-, pictosecond- or nanosecond pulses; components for modifying the properties of a light beam, in particular optical filters and optical frequency conversion devices; optical amplifiers; optical fibers and fiber optical components, in particular microstructured optical fibers; apparatus for producing optical fibers; detectors for detecting light signals; optical apparatus and instruments; measuring apparatus and instruments; optical measuring devices for characterizing laser radiation, including but not limited to wavelength meters, waveform monitors and detectors; photo diodes; optical components, in particular collimators; optical diffraction gratings; interferometers; optical mirrors; lenses and prisms; optical apparatus, light sources, devices or instruments, utilizing laser radiation for astronomy, industrial metrology, optical coherence tomography, product characterization, product inspection, product sorting, quality control, scientific instrumentation, target illumination and tracking, telecommunication, terahertz generation and optical characterization, in particular for spectroscopy and spectrophotometry; computer programs and software for light sources, light source systems and optical systems; structural components for the aforesaid goods included in this class; accessories and fittings for the aforesaid goods included in this class.

Medical apparatus and instruments; analytic devices for medical use; light sources and light source systems for medical use, in particular lasers, fiber lasers, solid state lasers, laser diodes, tunable diode lasers, narrow linewidth lasers, broadband light sources, supercontinuum light sources, and pulsed lasers, in particular lasers providing femtosecond-, pictosecond- or nanosecond pulses; light sources and light source systems for medical use, in particular for applications within biomedical imaging, ophthalmology, optogenetics, optical coherence tomography, and optical characterization, in particular for spectroscopy and spectrophotometry; optical apparatus, devices or instruments, utilizing laser radiation for medical diagnostics and/or medical treatment; structural components the aforesaid goods included in this class; accessories and fittings for the aforesaid goods included in this class.

Technical development for others of optical instruments, optical systems, optical fibers, light sources and light source systems, in particular lasers and laser systems; scientific research and analysis services for others related to new products, in particular in relation to optical systems, optical fibers and light sources; technical consultancy with regard to designing, operating and maintaining fibers, light sources and light source systems, in particular lasers and laser systems; design and development for others of computer hardware and computer software for calculating, simulating or controlling of optical systems, optical fibers and light sources, in particular lasers; calibration and functional tests of optical systems, measuring devices, optical fibers, light sources and light source systems, in particular lasers and laser systems.