Europe, UK, Asia & RoW: [email protected] +44 (0)1622 859444 | USA & Canada: [email protected] +1 401-583-7846


Looking For a Custom Optical Solution? Enquire

Concave Mirrors

We offer custom quality grade concave mirrors, also known as focussing mirrors. Concave mirrors work in precisely the way one would expect, focussing light to a point. We offer varying coatings, substrates and sizes of concave mirrors to meet your specific custom requirement.

Concave mirrors have one incredible characteristic in that the image location and quality is completely independent of the wavelength. This allows the design of very wide spectral range instruments and also of systems that will work in the IR to be aligned using visible light.
We are able to provide custom quality grade concave mirrors with increased performance and tight tolerances.

Custom concave mirrors can be supplied with a full range of coatings:
Enhanced aluminium coating, 94% reflectivity for use in visible applications.

  • 99.9% dielectric coating for laser use in visible applications.
  • UV aluminium/Mgf² coating for use in UV applications down to 180nm.
  • 98.5% NIR dielectric coating for laser use in the near infra-red region.
  • Ion plated protected silver coating for use in NIR to 2000nm.
  • Protected gold coating for use from 750nm to far infra-red applications.

Our stock range of concave mirrors can also be edged to alternative diameters at short notice. Alternatively our stock concave mirrors can be striped of coating using a process that enables us to recoat to your specific requirements at short notice, allowing us to offer you short lead times, which can be helpful with development and prototyping work.

Knight Optical supply high quality custom concave mirrors made to your exact specification. Every component is individually tested by our highly skilled technicians in our state of art metrology lab to ensure all components meet our high quality standards.

Contact our multilingual technical sales team and discover how Knight Optical’s high quality custom quality grade concave mirrors can improve your product and supply chain experience.

Our 2022/2023 Catalogue

Inside Knight Optical’s catalogue you’ll find details of the industries we serve as well as the many other services we can offer. It also showcases hundreds of our most popular products, supported by useful technical information, to help you choose the right part for your application.
Click below to view our digital catalogue now.

view our catalogue