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


What are you looking for in Custom?

Custom quartz crystal windows can be custom manufactured from 5mm to 150mm dia with a thickness up to 50mm.  We regularly offer custom crystal quartz windows with a form error of ¼ waves, parallel tolerance of better than 5 arc minutes and for high quality imaging applications we can offer a scratch dig better than 20-10.  All custom windows can be supplied uncoated or antireflective coated or DLC/AR coated to meet your custom application.

Other custom crystal quartz components we offer are retarders, and wave-plates in the 1 to 3.5µm waveband, crystal quartz prisms, lenses and ground blanks.

View “available stock” tab for a range of quality stock Z-cut Quartz windows in a range of diameters and thicknesses to meet most applications.  If you require Z-cut quartz windows to a smaller size or a custom aperture we are able to machine our stock windows at short notice, please enquire.

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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