Wedge Plates

Dimensional details

Available selection ranges:

  • Rectangular plates: 0.5 mm – 250 mm edge length
  • Round plates: 0.5 mm – 350 mm diameter
  • Thickness: randomly selectable, with thin side ≥ 0.5 mm


  • Planarity: up to λ/10 (select ≤ 6 for diameter-to-thickness or diameter-to-greatest-edge length ratio depending on size)
  • Wedge angle: up to 1” , depending on size or
  • Wavefront deformation: up to λ/10 depending on size
  • Thickness: up to ± 0.005 mm

Higher precision on request.


Hellma USA Inc.
80 Skyline Drive
11803 Plainview, NY
United States

Phone: +1 5169 3908 88


Note: Your data will of course be treated confidentially and will not be shared with third parties. You can revoke your consent at any time by clicking on the end of each e-mail.
Required Field