COHERENT

Optical components, instruments and products for use with lasers, namely, lenses, partial reflectors, beamsplitters, mirrors; optical glass, windows, nozzles, beam expander-condensers, waveplates, reflective phase retarders, polarizer-analyzer-attenuators (PAZ/PAG), thin film polarizers; electro-optical modulators; mid-wave and long wavelength infrared objectives; optical blanks; optical instruments and apparatus; optical data media; objectives; transparencies, single crystal wafers or chips to serve as a substrate for epitaxial deposition of electronic or photonic material structures or for an infrared imaging or detection unit; laser collimators; semiconductor substrates and wafers; brewster windows; mechanical and optical assemblies in the nature of laser equipment for cutting, welding and brazing materials for non-medical purposes, focusing heads, beam director components, beam enhancement tools, beam diagnostic instruments, and integrators; semiconductor diode chips, semiconductor diode arrays, surface-emitting semiconductor diodes, edge emitting semiconductor diodes; optical pumps; laser modules; pump lasers, bars and stacks; 980 pumps; pump laser modules; pump lasers for optical amplifiers; high speed Datacom transceivers; vertical-cavity surface-emitting lasers; lasers and components for fiber and direct diode laser systems; laser processing heads and fiber beam delivery systems and components for laser material processing; scientific optical equipment, namely, laser cavities, laser crystals, thin film dielectric coatings for use in the manufacture of scientific optical equipment, polarization components, thin film polarizers, waveplates, polarization rotators, filter plates, filter units and lyot filters; prisms; coated optical mirrors; glass laser flow tubes; filters and lenses; components and subsystems for fiber optic communications, namely, tunable filters, sensors, monitors, chromatic dispersion compensators, polarization dispersion compensators, add/drop multiplexers, dynamic gain equalizers, tunable lasers and polarization controllers; electronic and optical communications instruments and components, namely, optical transmitters, optical receivers, optical data links, optical transceivers, cable television transmitters, digital transmitters, and communication link testers for testing communication links; components and subsystems for sensing and thermal imaging, namely, tunable optical detectors, tunable optical emitters, tunable optical filters, drive electronics for tunable optical detectors, tunable optical emitters, tunable optical filters, tunable optical sensors, infrared gas sensors, infrared chemical sensors, infrared biomedical sensors, focal plane arrays, wavelength translators, thermal camera engines, thermal cameras and optical amplifiers; Photonic processors, namely, channel processors for dense wavelength division multiplexing of telecommunications signals carried by optic fibers; silicon carbide wafers and wafer chucks, silicon carbide water cooled mirror, green lasers, and fiber pigtailed laser diode modules, micro-optics for wave-length selective switches, ceramic and metal matrix composites, apparatus for converting thermal and electrical energy for cooling, heating or temperature stabilizing electronics, namely, thermoelectric coolers and converters; electronic component coolers, thermoelectric sub-assemblies, air-to-air thermoelectric assemblies, and air-to-air heat exchangers, namely, thermoelectric-based cooling modules and energy harvesting modules, power generators, and optical windows for use with electrical components; optical reflector; spectroscopes; light filter for optical device; optical bread boards; phase modulator; optical apparatus and instruments; optical lamps, optical lanterns; optical prisms; cable for optical signal transmission; optical phase shifter; optical shutters; optical fiber; dispersion-shifted fiber; multiplexer; light regulators; filters for photography; optical sensors; amplifiers; amplifying valves/amplifying tubes; photoelectric sensors; data processing apparatus; raster image processor; semiconductor wafers; laser diode; photoelectric converters; heat regulating apparatus; photovoltaic devices and equipment for solar power generation; beam expander-condensers; reflective phase retarders for use with lasers; single crystal wafer to serve as a substrate for epitaxal deposition of electronic material structures; single crystal wafer to serve as a substrate for epitaxal deposition of photonic material structures; single crystal wafer to serve as a substrate for an infrared imaging unit; single crystal wafer to serve as a substrate for an infrared detection unit; single crystal chip to serve as a substrate for epitaxal deposition of electronic material structures; single crystal chip to serve as a substrate for epitaxal deposition of photonic material structures; single crystal chip to serve as a substrate for an infrared imaging unit; single crystal chip to serve as a substrate for an infrared detection unit; laser focusing heads; beam integrators; laser cavities not for medical purposes; birefringent filter plates; birefringent filter units; tunable filters for fiber optic communications; sensors for fiber optic communications; monitors for fiber optic communications; chromatic dispersion compensators for fiber optic communications; polarization dispersion compensators for fiber optic communications; drive electronics for tunable optical emitters; drive electronics for tunable optical filters; infrared wavelength translators; semiconductor wafer chucks; apparatus for converting thermal energy for cooling electronics; apparatus for converting thermal energy for heating electronics; apparatus for converting thermal energy for temperature stabilizing electronics; apparatus for converting electrical energy for cooling electronics; apparatus for converting electrical energy for heating electronics; apparatus for converting electrical energy for temperature stabilizing electronics; Optical reflectors; optical beam expander-condensers; optical waveplates; optical phase-retarders; optical polarizer-analyzer-attenuators; optical thin film polarizers; Mechanisms for coin-operated apparatus; cash registers, calculating machines, fire-extinguishing apparatus; Optical products, namely, infrared lenses; correcting lenses; semiconductor substrates and wafers, silicon carbide wafers and wafer chucks, silicon carbide water cooled mirror; Optical products, namely, lenses, reflectors, mirrors, windows, beam expander-condensers, waveplates, phase retarders, polarizer-analyzer-attenuators, thin film polarizers and electro-optical modulators

Advertising; management; business management; business administration; office functions; wholesale and retail services relating to semiconductor diode chips, semiconductor diode arrays, surface-emitting semiconductor diodes, edge emitting semiconductor diodes, optical pumps, mechanisms for coin-operated apparatus, cash registers, calculating machines, fire-extinguishing apparatus; office work

Building construction, repair and installation services