Plane Window
These general purpose plane windows are polished to λ/10 flatness except where indicated otherwise. They are intended for transmissive use and are parallel to better than 3 arc minutes. Select a coating appropriate to your application or contact us with your special coating requirements.
| Surface Quality: | <20-10 both sides |
| Surface Flatness: | If thickness ≤ 1.5mm : λ/4 @ 633nm If thickness > 1.5mm : λ/10 @ 633nm |
| Parallelism: | <3arc min |
| Clear Aperture: | >85% of diameter |
| Bevel: | 0.3 mm (typical) x 45° |
| Material | UV Grade CaF2, MgF2 |
|---|---|
| Dimension | 0.5" dia x 1.5mm t, 0.5" dia x 3.0mm t, 0.5" dia x 0.25" t, 0.75" dia x 1.5mm t, 0.75" dia x 3.0mm t, 1.0" dia x 1.5mm t, 1.0" dia x 3.0mm t, 1.0" dia x 0.25" t, 0.5" dia x 0.08" t, 0.75" dia x 0.08" t, 1.0" dia x 0.08" t, 1.0" dia x 0.12" t, 1.0" dia x 0.25" t, 1.5" dia x 0.16" t, 2.0" dia x 0.20" t |
Plane Windows – BK7A & UV Grade Fused Silica (WI) 
