Fine Finish Sapphire Window

Material : BK7 Grade A Optical Glass, sapphire, Fused silica, N-SF11 and etc.
Typical Diameter (I mm) : 8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8
Typical Thickness (mm) : 0.5, 1.0, 2.0, 3.0, 5.0, 6.0
Diameter Tolerance (mm) : +/-0.2 (General), +0.0/-0.02 (High Precision)
Thickness Tolerance (mm) : A 0.2 (General), A 0.05 (High Precision)
Clear Aperture : >80% (Small Size), >95% (Large Size)
Parallelism : 3 min. (General), 3 sec. (High Precision)
Surface Quality : 80/50 (General), 10/5 (High Precision)
Flatness (per 25mm@633nm) : I (General), I /10 (High Precision)
Bevel (face width x 450) : <0.25mm
Coating : Uncoated, AR, HR, PR, Coating, etc.
Accuracy : L/4

Applications :
Telecom Optical System
Laser Optical System
Instrument Optical System