Diamond Turned Optics | Diamond Turning Optics | Corning

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Diamond Turned Optics

Diamond Turned Optics

Diamond Turned Optics

Diamond Turned Optics

The Corning Specialty Materials facility in Keene, NH is one of the world’s largest diamond-turning manufacturing operations.  Our proprietary diamond-turning process produces surfaces with drastically reduced or eliminated diffraction effects typically associated with diamond turning. This eliminates the need for post polishing which, in turn, reduces manufacturing time and costs, and also avoids the potential risk of altering the surface figure.

Diamond-turned reflective, refractive, and diffractive optical systems are manufactured for use in variety of military, aerospace, and commercial applications including tactical aircraft targeting, night vision, missile guidance, hyperspectral imagers, helmet mounted displays, medical, analytical instrumentation, and semiconductor optics.

Precision Diamond Turning Capabilities

  • Geometries (Spheres, Aspheres, Flats, non-rotationally symmetric freeforms,
    diffractives, mirror arrays)
  • Corning can achieve very accurate optical surfaces
    (~1/4 wave at 0.6328 um or better depending on the design)
  • Surface Finishes down to ~35 Å rms or better depending on base material and design
  • White Light Interferometer, Profilometer, and Aspheric Null Testing

Materials:

  • Aluminum
  • Copper
  • Electroless Nickel
  • Refractive Materials 
  • Germanium
  • Zinc Selenide
  • Zinc Sulfide
  • CleartranTM Zinc Sulfide
  • Silicon
  • Calcium Fluoride

Additional Information:
Diffraction-Free Surface Finish