Material

BK7,Fused silica

Dimension Tolerance

+0.0/-0.1mm

Thickness Tolerance

±0.2mm

Clear Aperture

>90%

Flatness

λ/[email protected] per 25mm range

Surface Quality

60/40 scratch and dig

Coating ( AOI 0-45deg)

Dielectric HR coating on one surface, Ravg>99% for random polarization @ design wavelength,

rear surface ground or inspection polished

Damage Threshold

>1J/cm², 20ns, 20Hz, @1064nm