Material

BK7, Fused Silica

Dimension Tolerance

+0.0/-0.1mm

Thickness Tolerance

±0.2mm

Clear Aperture

>90%

Flatness

λ/[email protected] per 25mm range

Wedge

<1 arc minute

Surface Quality

60/40

Coating

S1: Partial reflective coating, AOI 0deg,
      R Tolerance+/-2% @1064nm or 1053nm or1047nm
S2: AR coating, AOI 0deg, R< 0.25%

Damage Threshold

>5J/cm², 20ns, 20Hz, @1064nm