Optical communication, telecommunication and photonic apparatus components and subsystems; modules, lasers, optical wave guides, optical filters, modulators and optical network routers and switches, for use in optical, agile, dynamic, reconfigurable and intelligent networks; photonic components, modules and subsystems for wavelength signal routing, monitoring and conditioning, namely lasers, light wave guides, light filters and modulators, elctro-optical wave guides, fiberoptic light switches and fibreoptic light amplifiers; photonic components and subsystems for wavelength management and control in wavelength division multiplexed (WDM) and dense wavelength division multiplexed (DWDM) optical networks; modules, electronic circuits and computer software for the purpose of wavelength management and control; programmable optical network routers, switches and branching switches for remotely tuning or setting wavelengths in optical, agile, dynamic, reconfigurable, and intelligent networks; programmable tunable grating modules for wavelength channel switching and routing; WDM and DWDM optical channel filters; tunable optical channel filters; dynamic wavelength channel switches and routers; diffraction gratings; Bragg gratings; tunable Bragg gratings; tunable grating modules; grating-based modules for wavelength channel switching and routing; grating-based modules for WDM and DWDM channel filtering; grating-based modules for wavelength referencing; athermal gratings; tunable athermal gratings; passive athermal gratings; athermal channel optical filters; tunable WDM and DWDM optical channel filters; grating-based sensor networks; grating-based sensors; fiber optic sensors; fiberoptic light amplifiers; devices for monitoring and testing optical networks; optical channel analysers; lasers that are tunable to different optical wavelengths; pump lasers and pump laser stabilisers not for medical use; fiber optic sources; optical sources; reconfigurable add/drop routers; add/drop multiplexers; multi-channel add/drop multiplexers; reconfigurable add/drop multiplexers; WDM and DWDM multiplexers; multiplexers; demultiplexers; cross connects; optical connectors; optical couplers; optical switches; optical transmitters; optical receivers; optical network routers; optical amplifiers; dymanic-dispersion compensators; dynamic gain equalisation optical filters; optical filters; wavelength converters; interleavers; fixed gain equalising optical filters; computer programs, software and firmware for use in signal routing, control, monitoring and conditioning; computer programs, software and firmware for use in wavelength management and control; computer programs, software and firmware for optical network and element management, interfacing and control; computer programs, software and firmware for optical network diagnostics; computer programs, software and firmware for monitoring and controlling optical elements in wavelength agile, dynamic telecommunication, reconfigurable telecommunication, and intelligent networks; optical network routers and switches, light filters, lasers, light wave guides and modulators, employing the foregoing computer programs, software and firmware; oil, gas and geothermal well production, instrumentation, exploration and measurement devices; pump monitoring equipment, earth formation monitoring, analysis equipment and production fluid monitoring equipment; computer programs for use in analysing geological and geophysical data; namely, computer programs for oil, gas and geothermal field surveying and exploration and computer programs for monitoring and analysis of data collected during drilling and pumping of oil and gas; optical sensing equipment for use in oil, gas and geothermal wells; sensing equipment for use in petroleum refining.

Maintenance, repair and installation of oil wells, gas wells and geothermal wells and of earth formation and log analysis apparatus and instruments; repair, maintenance and installation of scientific, optical, surveying, electronic, telecommunications and data processing apparatus and instruments and computers; providing design and support for optical telecommunication products, namely, optical communication, telecommunication, and photonic components and subsystems, namely modules, lasers, optical wave guides, optical filters, modulators, and optical network routers and switches, for use in optical, agile, dynamic, reconfigurable and intelligent networks for the following goods; photonic components, modules and subsystems for wavelength signal routing, monitoring and conditioning, namely, lasers, light wave guides, light filters and modulators, electro-optical wave guides, fiberoptic light switches and fiberoptic light amplifiers; photonic components and sub systems for wavelength management and control in wavelength division multiplexed (WDM) and dense wavelength division multiplexed (DWDM) optical networks; modules, electronic circuits and computer software for the purpose of wavelength management and control; programmable optical network routers, switches and branching switches for remotely tuning or setting wavelength in optical, agile, dynamic, reconfigurable and intelligent networks; programmable tunable grating modules for wavelength channel switching and routing; WDM and DWDM optical channel filters; tunable optical channel filters; dynamic wavelength channel switches and routers; diffraction gratings; bragg gratings; tunable bragg gratings; tunable grating modules; grating-based modules for wavelength channel switching and routing; grating-based modules for WDM and DWDM channel filtering; grating-based modules for wavelength referencing; athermal gratings; tunable athermal gratings; passive athermal gratings; athermal channel optical filters; tunable WDM and DWDM optical channel filters; grating-based sensor networks; grating-based sensors; fiber optic sensors; fiberoptic light amplifiers; devices for monitoring optical wavelength; devices for monitoring optical signals; devices for monitoring and testing optical networks; optical channel analysers; lasers that are tunable to different optical wavelengths; pump lasers and pump lasers stabilisers not for medical use; fiber optic sources; optical sources; reconfigurable add/drop routers; add/drop multiplexers; muti-channel add/drop multiplexers; reconfigurable add/drop multiplexers; WDM and DWDM multiplexers; multiplexers; demultiplexers; cross connects; optical connectors; optical couplers; optical switches; optical transmitters; optical receivers; optical network routers; optical amplifiers; dynamic-dispersion compensators; dynamic gain equalisation optical filters; wavelength converters; interleavers, fixed gain equalising optical filters; computer programs, software and firmware for use in signal routing, control, monitoring and conditioning; computer programs, software and firmware for use in wavelength management and control; computer programs, software and firmware for optical network and element management, interfacing and control; computer programs, software and firmware for optical network diagnostics; computer programs, software and firmware for monitoring and controlling optical elements in wavelength agile, dynamic telecommunication, reconfigurable telecommunication, and intelligent networks; optical network routers and switches, light filters, lasers, light wave guides, and modulators, employing the foregoing computer programs, software and firmware.