Material

CDGM(H-K9L ETC.),

SCHOTT(N-BK7 ETC.)

Fused Silica

Diameter

4mm-100mm

Surface Quality

MIL60-40,   MIL40-20,    MIL10-5

Deviation of Angle

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

Surface Figure

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

Effective Diameter 

>90%

Coating

As per customer request