Specification | |
Material: | BK7, Fused Silica, Borofloat etc. Glass |
Dimension Tolerance: | +0.2, -0.2mm |
Thickness Tolerance: | ±0.2mm |
Surface quality: | 60/40 |
Clear Aperture: | >85% |
Flatness: | λ/4 per 25mm@633nm |
Parallelism: | ±1' |
Bevel: | <0.25mm X 45° |
Coating: | Laser line (Extinction Ratio 500:1) ,AOI= 45°: |
Tp>96% and Ts<0.2% | |
Rp<4% and Rs>99.7% |