Materials that can be processed by diamond turning:
Non-ferrous metals: Aluminum, copper, brass, nickel.
Plastics: PMMA, PC, Zeonex, Topaz, OKP, APL, etc.
IR lens materials: Silicon, germanium
Part sizes: 1 – 300 mm
Aspherical, spherical, parabolical, elliptical (both also off-axis), fresnel, diffrax
With slow servo tool: torics, biconics, cylinder, free form, microlenses
Optical requirements (ISO 10110):
Shape accuracy (PV): < 100 nm, depending on diameter, material and geometry.
hape accuracy (RMS): < 15 nm, depending on diameter, material and geometry.
Surface roughness (Rq): down to 2 nm, depending on material.