Material

Fused Silica

Diameter

3mm-100mm

Surface Quality

MIL60-40,   MIL40-20,    MIL10-5

Centration

≤180arc sec.      ≤60arc sec.    ≤30arc sec.

Surface Figure

 λ/2 @ 632.8nm    λ/4 @ 632.8nm    λ/10 @ 632.8nm

Effective Diameter 

>90%

Coating

 AR/AR,     As per customer request