1. OD :1.50-60 .00 mm; diameter limit bias :0.005-0 .10 mm
2. thickness H :1.00-30 .00 mm; thickness limit deviation: ≤ 0.01mm
3. effective hole diameter: ≥ 85%
4. face accuracy: λ / 2
5. Surface roughness: S / D = 80/50-20/10
6. Material: high quality synthetic sapphire (α-AL2O3 ≥ 99.99%); KB optical glass
Supply sapphire prism