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  • Michelson Interferometer Whitepaper
    A Michelson interferometer divides a beam of light into two, then recombines the beams using the same beam splitter. Usually, flat mirrors reflect each beam back through the beam splitter, and usually, the paths are not identical. Where the light beams overlap after recombining
  • Novel Interferometer Enables Challenging Measurements
    for measuring large telescope optics, general purpose optics, disk drive substrates and media, flat panel display components and lithography optics. In an interferometer, light reflecting from a test and reference surface combine to produce patterns of light and dark fringes called "interferograms
  • Laser Interferometer Implementation
    Laser interferometers represent the ultimate feedback device for high-precision motion control application. The combination of high resolution and outstanding accuracy has made it the ideal transducer for wafer steppers, flat panel inspection, and high-accuracy laser micromachining.
  • Designing and Specifying Fabry Perot Etalons
    Basic Theory "The Fabry Perot interferometer consists of two parallel flat semi-transparent mirrors separated by a fixed distance. This arrangement is called an etalon. " (Fabry and Perot, 1897)
  • Liquid Crystal in Precision Optical Devices
    for precision interferometer gauges.

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