Diamond-turned mirrors and lenses

Kaleido Technology offers diamond-turned mirrors and lenses with geometries ranging from spheric to complex free-form shapes and micro-prism structures in a wide range of materials with industry-leading surface accuracy, smoothness and finish.

Thanks to state-of-the art ultra-precision machining hardware in combination with proprietary  machine control software and part programming software, Kaleido has taken free-form diamond-turning to unprecedented performance with respect to surface accuracy, smoothness and finish. To read more about our ultra-smooth machining, please click here.

Lens and mirror geometries

On-axis Diamond machined components
  • Spheric
  • Aspheric
  • Off-axis (parabolic, ellipsoidal)
  • Any rotationally symmetric shape
  • Micro-prism structures

Free-form

  • Long-distance off-axis parabolas
  • Ellipsoides
  • Cylinders
  • Aspheric cylinders
  • Arbitrary smooth free-form shapes

Materials

Metals Diamond-machined cylines lens
  • Aluminium (6082, 6061)
  • Brass
  • Electroless nickel (NiPh)
  • Cu Be
  • Cu Ni 7030
  • Cu Ni 9010
  • OFHC copper
Polymers 
  • Acrylic
  • Zeonex
  • Polycarbonate

Specifications

Parameter Min. Typical Max.
Part size, diameter 2   700
On-axis parts:      
Power error <0.1 wave (PV) <0.5 wave (PV)  
Irregularity <0.1 wave (PV) <0.5 wave (PV)  
Free-form parts:      
Form error <0.5 µm (PV) <3 µm (PV)  
Surface roughness <2 nm (RMS) <5 nm (RMS)