Material

BK7

Dimension Tolerance

+0.0/-0.1mm

Thickness Tolerance

±0.2mm

Clear Aperture

>90%

Flatness

λ/[email protected] per 25mm range

Parallelism

<1 arc minute

Surface Quality

60/40 scratch and dig

Coating

Dichroic mirror coating on one side, rear side AR coated

AOI=0deg

Coating1:R> 99.5 @1064nm, T>95%@532nm;

Coating2: R>99.5%@532nm, T>95%@1064nm

AOI=45deg

Coating1:R> 99.5 @1064nm, T>90%@532nm;

Coating2: R>99.5%@532nm, T>90%@1064nm

Damage Threshold

>5J/cm², 20ns, 20Hz, @1064nm