9 Optical measuring, signaling and checking apparatus and instruments in the nature of optical telecommunication hardware, namely silica-on-silicon planar lightwave circuits for optical processing, namely optical filter for wavelength division multiplexing, optical attenuators and optical switches, fiber optic components namely fiber Bragg gratings for optical processing, fiber lasers that act as optical sources in optical telecommunication systems; optical measuring, signaling and checking apparatus and instruments, namely optical light guides namely waveguides in the optical domain, optical fibers, optical fiber lasers not for medical use used in optical telecommunications as sources to replace semiconductor lasers, optical fiber gratings in the nature of a component that is based on a periodic variation of the refractive index in optical light guides and used in optical telecommunications for equalization of optical amplifiers and used in optical sensing as a sensor element, optical fiber electronic sensors used as thermometers and/or strain sensors for wavelength response to changes in temperature and strain; optical filters, optical integrated circuits in the nature of microprocessors used as filters in wavelength division multiplexing (WDM) networks, as optical switches, as optical attenuators and as optical power splitters, optical planar waveguides used as filters in WDM networks, as optical switches, as optical attenuators and as optical power splitters, directly ultraviolet written waveguides in the nature of a dielectric sandwich structure of cladding-core-cladding layers used to define a waveguide structure; and optical fiber components used in telecommunications and optical sensing, namely fiber Bragg grating, fiber based WDM network, fiber coupled optical isolator, fiber attenuator
Trademark: 78004574
