Additional information
| Dimension | 0.5" dia x 0.25" t, 0.75" dia x 0.25" t, 1.0" dia x 0.25" t, 1.5" dia x 0.375" t, 2.0" dia x 0.375" t, 3.0" dia x 0.5" t |
|---|---|
| Material | BK7 Grade A, UV Grade Fused Silica, Sapphire |
Plane Mirror Substrates (PM)
General purpose plane mirror blanks- For first surface use. Second surface is commercial polish
- Apply any reflecting coating
These general-purpose mirror blanks are polished to < λ /10 flatness except where indicated otherwise. They are intended for front surface use and are parallel to within 3 arc min. These blanks are not recommended for use as transmitting optics as the rear surface is only commercially polished.
| Surface Quality: | < 10/5 < 40/20 for Sapphire |
| Surface Flatness: | < λ / 10 @ 633 nm < λ / 2 @ 633nm for Sapphire |
| Diameter Tolerance: | <+ 0.00 / – 0.20 mm |
| Thickness Tolerance: | < ± 0.25 mm |
| Clear Aperture: | > 85% of diameter |
| Parallelism: | < 3 arc min |
| Bevel: | 0.3 mm (typical) x 45° |
Plane Mirror Substrates (PM)
