Sapphire rectangular drilled windows
N-BK7 rectangular drilled windows
Fused Silica(UVFS) rectangular drilled windows
Zinc Selenide (ZnSe) rectangular drilled windows
Zinc Sulfide (ZnS) rectangular drilled windows
Germanium(Ge)rectangular drilled windows
Silicon(Si)rectangular drilled windows
Lithium Fluoride(LiF)rectangular drilled windows
Magnesium Fluoride(MgF2) rectangular drilled windows
Barium Fluoride(BaF2) rectangular drilled windows
Calcium fluoride (CaF2) rectangular drilled windows