Diamond Turning

II-VI Optical Systems has single point diamond turning and fly-cutting capability to produce flat, aspheric and diffractive optics up to 24" diameter.

Forbes Asphere DT Capability

Diamond Turning equipment includes:

  • Nanoform 600
  • Nanoform 200 with third axis
  • Planoform 550 Flycutter for flat components
  • Optimum 2400
  • Single point aspheric generator

Measuring instruments include:

  • Non-contact optical surface mapping microscope
  • Form Talysurf™ Series 2 PGI
  • Zygo™ GPI XP/D interferometer

Capabilities include:

  • Substrates up to 24" in diameter
  • Surface roughness of less than 25 angstroms RMS
  • Figure accuracy of 1/8 wave at 632.8 nm
  • IR optical materials including AMTIR™, calcium fluoride, germanium, silicon, zinc selenide, zinc sulfide, and Mult-Spectral zinc sulfide
  • Metal optics, mirror and mold materials including aluminum, brass, copper, and electroless nickel
  • Polymers and semiconductor materials
  • Supporting high volume production programs

Diamond Turned applications include:

  • Telescope assemblies
  • IR lens assemblies
  • Aspheric, toroidal and off-axis shapes
  • Diffractive and fresnel optics
  • Polygons and fold mirrors
  • Axicons and waxicons