Basket (0)
Knight Optical(UK) Ltd - [email protected] - +44 (0)1622 859444

Infrared materials

Infrared optical components

Optical components in infrared materials

Knight Optical’s infrared optical materials are used in a wide range of applications such as advanced thermal systems used by the military and for security imaging applications.

We also supply components for infrared sensors for engineering and industrial manufacturing and in thermography, where infrared radiation is detected and mapped.

Materials commonly used as infrared materials include germanium, sapphire, calcium fluoride and zinc sulphide.

Our extensive choice of infrared materials is available as:

  • Ground blanks
  • Polished windows
  • Lenses in various form including spherical and meniscus
  • Diamond turned aspherics
  • Prisms
  • Rods

Our infrared optical components can benefit from anti-reflection and hard coatings, optimised for your specifications, with DLC for 3 – 5 micons and 8 – 12 microns and AR coatings for custom wavelength bands and multiwavelengths.

Knight Optical’s Infrared capabilities are designed with exact specification compliance in mind. Custom specifications of dimensions, focal lengths and tolerances are quoted on an individual basis.  If you can’t find what you are looking for in our stock items please contact us for a custom quote.


Get in touch

Our Multi-Lingual Sales Team are here to help with your requirments:

UK +44 (0)1622 859444
UK +44 (0)1622 850614
UK +44 (0)1622 851078
+1 401 583 7846

International Shipping

We are able to ship to most countries at good rates, please click here for more info.

This site requires cookies in order to work properly. By continuing to use this site you are agreeing to our cookies policy.


Website Security Test