Custom machined optics from Silicon, Germanium, ZnSe, BK7 and more.


We machine optical window blanks and finished plano optics for some of the largest and most respected optical finishing companies and defense contractors on earth. Whether you need an as-cut part or a polished optical element, Lattice Materials can help.

  • Silicon, Germanium, BK7, ZnSe and more
  • Mono or Polycrystalline
  • Round or Rectangular Shapes up to 17.5″ (450 mm)
  • Polished to optical specifications better than 20/10 scratch/dig, 1/10th wave flatness and down to 10 Å RMS
  • Custom thin film coatings (AR, DLC and others) are also available

Curved Lenses

For curved optics, Lattice Materials is exceptionally well equipped to create lenses to precise optical specifications with any finishing you require. We can create any curved optic from rough to fine ground and even polished and coated lenses.

  • Silicon, Germanium, BK7 and more
  • Mono or Polycrystalline
  • Round or truncated shapes up to 14″ in diameter
  • Polished to better than 40/20 scratch/dig, 1/4 fringe flatness and 3 Å RMS
  • Custom thin film coatings also available

Contact us for a quote on your Silicon or Germanium lens today.

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