VIS Windows & Mirrors

product summary

Cimcoop is fabricating optical windows and mirrors using conventional single- and double-sided polishing technology with a combination of polyurethane foils and pitch. This allows us to achieve high surface and exceptional cosmetics. We are producing to exact customer specifications and are also able to use CNC machining to produce a custom profile on your part.


  • All types of optical glass and fused silica

  • Single- & double-sided polishing

  • CNC machining of custom profiles

manfacturing limits

Diameter range 10 to 200 mm
Diameter tolerance ± 0.02 mm
Center thickness (CT) 2 to 50 mm
CT tolerance ± 0.01 mm
Parallelism ≥ 3 arc seconds
Sagita deviation (Power) ≥ 0.5 fringes
Irregularity (PV) ≥ 0.25/0.068 (fringes/µm)
Dig 2 x 0.03
Scratches L2 x 0.02
MIL - Scratch / Dig to 20-10
Surface roughness (Rq) ≥ 3 nm