Focus Technology is dedicated to manufacturing high precision optical mirror from prototype to production. Ten years of experience in lens manufacturing and an army of the best trained and highly skilled work forces make Focus Technology much more professional and maintain competitive edge.
Focus Technology offers laser quality Dielectric Mirror at the lowest price. Our most commonly requested substrate materials are BK7, UV Fused Silica
Material: |
BK7 Grade A Optical Glass |
Typical Diameter (Φmm) |
8.0, 10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8 |
Typical Thickness (mm) |
2.0, 3.5, 5.0, 6.5 |
Diameter Tolerance (mm) |
+/-0.2 (General), +0.0/-0.02 (High Precision) |
Thickness Tolerance (mm) |
±0.2 (General), ±0.05 (High Precision) |
Clear Aperture |
>80% (Small Size), >95% (Large Size) |
Parallelism |
6 min. (General), 3 sec. (High Precision) |
Surface Quality |
80/50 (General), 10/5 (High Precision) |
Flatness (per 25mm@633nm) |
λ(General), λ/10 (High Precision) |
Bevel (face width x 450) |
<0.25mm |
Coating |
Uncoated, HR, PR, Ag, Al, Au Coating, etc. |