Additional information
| Material | UV Grade Fused Silica, BK7 Grade A |
|---|---|
| Dimension | 0.5" dia x 0.25" t, 0.75" dia x 0.25" t, 1.0" dia x 1.5mm 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 |
Plane Windows – BK7A & UV Grade Fused Silica (WI)
Plane windows- Flat polished surfaces
- Laser finish both sides
- Uncoated (Apply any anti-reflection coating)
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 min. Select a coating appropriate to your application or contact us with your special coating requirements.
| Surface Flatness: | If thickness ≤ 1.5mm : λ/4 @ 633nm If thickness > 1.5mm : λ/10 @ 633nm |
| Surface Quality: | <10/5 (both sides) |
| Parallelism: | <3 arc min |
| Diameter Tolerance: | <+ 0.00 / – 0.20 mm |
| Thickness Tolerance: | <± 0.25 mm |
| Clear Aperture: | >85% of diameter |
| Bevel: | 0.3 mm (typical) x 45° |
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Plane Windows – BK7A & UV Grade Fused Silica (WI)
