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Knight Optical(UK) Ltd - - +44 (0)1622 859444


What are you looking for in Custom?

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.

Get 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.

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