Size tolerance for rods +/-0.05mm
(rod diameter from 1mm and length up to 80mm)
Chamfers 0.1-0.15mm typical
Parallelism 1 arc sec or better (plates), 10arcsec (rods)
Measured with a 6" Zygo
Perpendicularity 5arcmin or better, usually hit 2arcmin
Flatness λ/10
Wavefront distortion Considered as twice the surface figure i.e λ/5 typical
(Longer parts are λ/10 per inch of material)
Dopant [X] tolerance +/-0.02%
Roughness 5Angström RMS at x50 magnification
Final polishing stage is with 0,1µm grit
Extinction ratio >25dB

For Custom requirements please contact us