QUEENSGATE

optical equipment, namely tilting mirrors for optical measurement purposes, interferometers, etalons, gratings and optical filters for discriminating between light at different wavelengths, all for use in fiber optic test equipment; capacitance displacement monitoring devices, namely capacitance displacement sensors; fiber optic sensors for sensing temperature, pressure, humidity, position, acceleration, velocity, angle, stress and strain; multiple-axis positioning stages, namely actuators and positioners, electro-strictive actuators and positioners, piezo-electric devices for micro-positioning alignment, sensors used with control electronics to control micro-positioning devices, all for use in laboratory or commercial measurement and control systems; multiplexers and demultiplexers; electrical controllers for measuring position, sensor output, proportional, integral and differential feedback; drive amplifiers, piezo-electric and electro-strictive devices for micro-positioning alignment, for use in electrical controllers; read-out and computer display modules and interfaces therefor; scanning probe microscopy apparatus; and parts and fittings therefor for all of the aforesaid goods