Nd: doping 0.1%,0.2%,0.27%,0.5%,1%,2%,3%,5%

Dimension tolerance:+/-0.1mm

Flatness: /8l

Surface quality: Scratch/Dig 10/5

Parallelism: better than 20 arc sec.

Perpendicularity: better than 15 arc min

Angle tolerance: < 0.5degree

HR:R>99.8% 1064nm,R<5% 808nm

Clear aperture: >90% central area

Transmitting wavefront distortion: less than /8l 633nm

Quality Warranty Period: one year under proper use