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A warm welcome to the Armstrong Optical website. We offer a wide range of optical metrology and imaging products & systems to a very diverse array of industries with an even broader variety of application requirements. Please browse our various product pages and if something interesting catches your eye feel free to download the appropriate PDF. Alternatively, email or visit our contact page or call the number at the top of the page and we’ll be happy to discuss your application in the strictest confidence.

Featured Item


Series MI-K miniature retroreflector interferometers are precision length measuring instruments with a wide range of applications. They can be adapted geometrically and functionally to specific tasks.

  • Flexible, ultraprecise length measuring system.
  • Adaptable to specific customer requirements.
  • Easy adjustment.
  • The compact supply and evaluation unit and its convenient transport case are especially advantageous for on-site use.
  • Large Permissible tilting of the measuring reflector.
  • Fiber-optic coupling of the sensor head.
  • No thermal effects on the measurement environment.
  • HeNe laser with high frequency stability as the metrological standard.
  • Correction of environmental influences on the wave-length of the light.

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