Diamond PureOptics™: The first all-diamond optic

Element Six's Diamond PureOptics™ eliminates the need for thin film AR coatings for increased system reliability at high optical power densities  


Drawing inspiration from the anti-reflective structure of a moth’s eye, our Diamond PureOptics™ features an anti-reflective (AR) meta-surface for 10.6 μm wavelength.



No coating required – offering enhanced reliability

  • Eliminates the need for the current industry standard thin film AR coatings
  • Ideally suited to applications such as EUV lithography where high power densities can lead to coating failure

Outperforms thin film AR coatings

  • >10x greater  laser induced damage threshold (LIDT)
  • Reflectance comparable to thin film technologies (less than 0.5 % per surface)
  • Weak angular dependence (<10°) from normal on reflection
  • Extreme mechanical robustness (>100x) with excellent scratch resistance.
  • Lower window operating temperatures

Offers engineers of next generation high power laser systems:

  • Increased durability
  • Improved beam quality
  • Lower losses in the face of ever higher power densities
  • Reduced costs associated with system downtime and replacement components

Available in:

  • Up to 60 mm diameter polycrystalline diamond windows
  • Single or double sided
  • Diamond windows with thickness up to 3.5 mm
  • Standard or custom mounts - for ease of integration and optimum performance

Other diffractive optics solutions are under development.
Please contact us for more information:

US: call +1 408 986 2400 or email: ustechnologies@e6.com
UK: call +44 1344 638 200 or email: technologies@e6.com
The Netherlands: call +31 485 395 700 or email: technologies@e6.com
Japan: call +81 (3) 3523 9311 or email: technologies@e6.com