measuring, testing and laboratory equipment in the fields of optics and photonics, namely, mirrors, lenses, beamsplitters, optical filters, polarizers, waveplates, prisms, pinholes, attenuators, beam expanders, collimators, retroreflectors, windows, optical sensors, optical power and energy meters, optical integrating spheres, optical mounts, optical pedestals, optical posts, post collars, post bases, post clamps, post platforms, mounting platforms, tilt platforms, positioning bases, optical rails, optical rail systems, beam routing systems, damped rods, laboratory jacks, optical tables, optical workstations, optical breadboards, vibration isolated workstations, vibration damped workstations, vibration isolators, vibration dampers, optical micro-fabrication workstations, spectrometers, optical fibers, cables and fiber bundles, optical fiber shears, optical fiber cleavers, optical fiber couplers, optical fiber adaptors, optical fiber strippers, optical fiber microscopes, lasers not for medical use, laser diodes, laser diode drivers, laser diode controllers, laser diode mounts, tunable light sources, translation stages, linear stages, vertical stages, rotary stages, goniometric stages, manual positioning actuators, motorized positioning actuators, piezo actuators and controllers, threaded actuators, hexapod positioners, motion controllers, ceramic air-bearing stages, and integrated multi-axis motion control systems