Professional manufacturer of optical components
Since 2004
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.

Specifications:
* Dimensional tolerance±0.1mm
* Thickness tolerance±0.1mm
* Surface quality40-20 S/D
* Surface flatnessL/4 @633nm
* Parallelism3 arcmin
* Protective bevel0.25mm x45deg
Item#MaterialDiameterThickness
WIN01-10x1N-BK7Φ10.01.0
WIN01-12.7x2N-BK7Φ12.72.0
WIN01-15x2N-BK7Φ15.02.0
WIN01-20x2N-BK7Φ20.02.0
WIN01-25.4x3N-BK7Φ25.43.0
WIN01-30x3N-BK7Φ30.03.0
WIN01-38.1x3N-BK7Φ38.13.0
WIN01-50x5N-BK7Φ50.05.0



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 Fax: +86 591 8733 4595 E-mail: sales@cn-optics.com
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