GLASS BK7 WINDOWS
Description
A borosilicate crown glass, BK7 is relatively hard, does not scratch easily, and can be handled without special precautions. Good performance over visible and near IR spectrum for most application. The ideal window allows the optical beam to pass unimpeded and unchanged with high durability according to requirement of applications. In order to come close to this ideal, our windows and optical parallels are manufactured considering with transmittance, homogeneity, sub-surface damage, surface flatness and parallelism of the materials or in polishing processes to achieve high transmittance, low wavefront distortion and low scatter. Non-coated and AR coated products are available.
GLASS BK7 WINDOWS
Specifications |
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|---|---|
| Substrate Material: | N-BK7 |
| Antireflection Coating: | Coated |
| Diameter: | 10 mm |
| Surface Quality: | 20-10 scratch-dig |
| Surface Flatness: | lambda/10 |
| Thickness: | 6.0 mm |
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Frequently Asked Questions
Yes, the Glass BK7 Windows can be customized to meet specific requirements, including antireflection coating and other dimensions in prototype and production quantities.
The available sizes for the Glass BK7 Windows range from 10.0mm to 75.0mm in diameter and 3.0mm to 15.0mm in thickness, depending on the product number.
The standard specifications for the Glass BK7 Windows include optical material, diameter tolerance, thickness tolerance, clear aperture, parallelism, surface quality, wavefront distortion, bevel, and coating.
BK7 is a borosilicate crown glass that is relatively hard, scratch-resistant, and can be handled without special precautions. It has good performance over visible and near IR spectrum for most applications.
When using the Glass BK7 Windows with lasers, it is important to wear laser safety goggles when checking optical path and adjusting optical axis.