general specificationsdiameter tol: ø25.4 mm +0/-0.2 mm,ø75.0 and ø100.0 mm +0/-0.3 mmthickness tol: +/- 0.2 mmsurface finish: s&d 60/40ca: 90 % center
k9:透射范圍:330-2100nm;折射率:1.5164@588nm石英:透射范圍:185-2500nm;折射率:1.4858@308nmk9標(biāo)準(zhǔn)精度平面窗口(optic windows:k9 normal precision)石英標(biāo)準(zhǔn)精度平面窗口(optic windows:fused silica normal precision)