Knight Optical Offers Custom Germanium & Silicon Optics for High-Tech Surveillance Systems

Posted Mar 20, 2020 by Knight Optical (UK) Ltd

Leading supplier of custom-made, high-quality components, Knight Optical, has increased its custom capabilities for its sought-after Germanium and Silicon optics. 

Customisable Components 

Especially useful amongst specifiers working on facial recognition camera-based technology within both the surveillance and defence industries, Knight Optical's premium-quality custom-made Germanium and Silicon Optics are much in demand amongst discerning specifiers. And now with even greater customisation opportunities, the company's Germanium and Silicon components are set to meet even more requirements than ever. It is thanks to their ability to allow infrared (IR) to reach sensors and, therefore, create the perfect thermal image that the Germanium and Silicon components are a firm favourite for facial recognition systems. 

Commonly Specified within the Security and Defence Sectors are:

  • Custom-made Germanium and Silicon Windows for use in mid-wave IR and long-wave IR. These windows are available from 5mm to 300mm diameters and up to 200mm squares in either uncoated or AR/AR coated options for increased transmission up to 85% average across 3-14µm. What's more, high-quality rugged diamond-like coatings are also available.
  • Stock Germanium and Silicon Windows (uncoated, AR/AR and AR/DLC coated for rugged applications) from 10mm to 100mm in diameter. Furthermore, these Stock Germanium and Silicon Windows can also be edged to specific size at short notice.

Specified by Customers

Knight Optical's custom-made offering enables customers to choose the exact optics, an application demands. For example, as well as selecting thicknesses and dimensions for millimetre-perfect integration, the company's tailored service also comprises of optical coatings to protect device or enhance transmission, if required. The custom optical coatings range includes (but is not limited to):

  • Broadband Anti-Reflective (AR) Coatings
  • Mirror Coatings
  • Hydrophobic Coatings
  • Oleophobic Coatings
  • Diamond-Like Carbon (DLC) Coatings to assist devices operating in harsh environments

Component transmission is verified by Knight Optical's range of state-of-the-art spectrophotometers. Flatness and form error of surfaces are tested using the Zygo XPZ Interferometer; while angles are verified using the Trioptics Prism Master, and Scratch/Dig quality is assured using the company's Bryson scratch/dig masters.