
N-BK7 round drilled windows

Sapphire round drilled windows

Fused Silica(UVFS) round drilled windows

Zinc Selenide (ZnSe) round drilled windows

Zinc Sulfide (ZnS)round drilled windows

Germanium(Ge) round drilled windows

Silicon(Si) round drilled windows

Lithium Fluoride(LiF) round drilled windows

Magnesium Fluoride(MgF2) round drilled windows

Barium Fluoride(BaF2) round drilled windows

Calcium fluoride (CaF2)round drilled windows