Search Menu
Photonics Media Photonics Marketplace Photonics Spectra BioPhotonics Vision Spectra Photonics Showcase Photonics ProdSpec Photonics Handbook

BK7 Windows

  • Model: BK7 Windows
  • Company: Shanghai Optics Inc.
  • Type: Windows
  • Applications: Biomedical/Medical, Industrial, Scientific Research
  • Irregularity (fringe): l/10
  • Diameter Tolerance: +0.0, -0.05mm
  • Thickness Tolerance: ±0.1mm
  • Clear Aperture: >85%
  • Surface Quality: 10-5 scratch and dig
  • Wavefront Distortion: l/10 per 25mm

Shanghai Optics' BK7 windows are suitable for demanding optical applications and can be manufactured with laser-grade precision. BK7 glass has a density of 2.51 g/cm3 and a Knoop hardness of 610. It has coefficient of expansion of about 7.1 x 10-6 K from -30 °C to +70 °C, and about 8.3 x10-6/K from +20 °C to +300 °C.
BK7 Windows

Shanghai Optics Inc.
1100 US-22
North Plainfield, NJ 07060
United States
Phone: +1 732-321-6915
Twitter Facebook LinkedIn
back to top
Facebook Twitter Instagram LinkedIn YouTube RSS
©2023 Photonics Media, 100 West St., Pittsfield, MA, 01201 USA, [email protected]

Photonics Media, Laurin Publishing
x Wish you were here? Click to become an exhibitor today.
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.