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Windows
BK7 Windows
N-BK7 is one of the most common glasses used to produce high-quality optical components, especially for the visible spectrum. It contains very few inclusions and is almost free of bubbles. It is a relatively hard material and has uniform transmission through-out the visible and near infrared spectra and down to 350 nm in the ultraviolet.
N-BK7 is one of the most common glasses used to produce high-quality optical components, especially for the visible spectrum. It contains very few inclusions and is almost free of bubbles. It is a relatively hard material and has uniform transmission through-out the visible and near infrared spectra and down to 350 nm in the ultraviolet.
Specifications:
| * Dimensional tolerance | ±0.1mm |
| * Thickness tolerance | ±0.1mm |
| * Surface quality | 40-20 S/D |
| * Surface flatness | L/4 @633nm |
| * Parallelism | 3 arcmin |
| * Protective bevel | 0.25mm x45deg |
| Item# | Material | Diameter | Thickness |
|---|---|---|---|
| WIN01-10x1 | N-BK7 | Φ10.0 | 1.0 |
| WIN01-12.7x2 | N-BK7 | Φ12.7 | 2.0 |
| WIN01-15x2 | N-BK7 | Φ15.0 | 2.0 |
| WIN01-20x2 | N-BK7 | Φ20.0 | 2.0 |
| WIN01-25.4x3 | N-BK7 | Φ25.4 | 3.0 |
| WIN01-30x3 | N-BK7 | Φ30.0 | 3.0 |
| WIN01-38.1x3 | N-BK7 | Φ38.1 | 3.0 |
| WIN01-50x5 | N-BK7 | Φ50.0 | 5.0 |
Notes:
1) Anti-reflective coating is available upon request.
2) If the listed items do not fit your application, please ask CeNing for customized windows.
CeNing Optics Co.,Ltd, Tel: +86 591 8733 8232 E-mail: sales@cn-optics.com
2003-2024 © copyright by CeNing Optics Co.,Ltd, All right reserved
2003-2024 © copyright by CeNing Optics Co.,Ltd, All right reserved