Sapphire Window
7. Sapphire Window
n The highest surface roughness is up to 0.2 nm;
n C axis deviation is the highest +/-0.1°;
n surface quality:S/D10/5;S/D 20/10;S/D 40/20;S/D 60/40;S/D 80/50
n The infrared transmittance in the wavelength of 633nm > 85% flatness:λ/4;λ/2;λ:633nm
n The surface processing of crystal orientation: C、A、R、M etc.