daily coverage of the optics & photonics industry and the markets that it serves
Featured Showcases
Photonex+Vacuum Technologies
Product Announcement

Knight Optical’s Zinc Selenide (ZnSe) Windows for use in the Medical Industry

19 Jul 2021

Knight Optical – the leading supplier of on-spec, metrology-tested optical components – has a wide-ranging portfolio of Zinc Selenide (ZnSe) Windows available from stock or as made-to-order components

As well as its use for applications within the medical industry – such as in CO2 lasers for laser scalpels during surgeries – ZnSe Windows are also used across a variety of other sectors. These uses include industrial systems for cutting, welding and engraving as well as FLIR (Forward Looking Infrared) systems. 

Available from stock or – as with all our components – as Custom-Made Optics for seamless integration with your project, our Zinc Selenide (ZnSe) Windows meet a diverse range of requirements sought by a diverse range of systems. By opting for tailor-made optical components, you can specify the shape, size, optical coating and tolerances best suited to your project. 

Typical specs:

Material: Zinc Selenide (ZnSe)

Shape: Circular windows and square windows

Dimensional tolerances: +/- 0.1mm

Parallelism: < 3 arcminutes

Surface quality: <40-20 Scratch/Dig

< 0.5 λ PV@ 633nm

Coating: Antireflective (AR) coatings for application bandwidth (if required)

Typical BBAR @1-8 µm

First-Class Quality 

Quality is the driving force behind Knight Optical, and to ensure you profit from high-precision optics, we take the utmost care to ensure every component accurately meets your specifications. Offering unparalleled service, Knight Optical undertakes a full inspection of your optics from our ISO 9001:2015-certified, state-of-the-art Metrology Laboratory, followed by a meticulous visual examination by our dedicated QA department. 

To discover how we can enhance your supply chain experience and to learn more about our stock and custom-made ZnSe Windows, contact a member of our technical sales team today. 

UK, Europe, Asia & RoW: E-mail info@knightoptical.co.uk 

Tel +44 (0)1622 859444

USA & Canada: E-mail usasales@knightoptical.com 

Tel +001 401-583-7846 

Request a catalogue

Knight Optical Ltd
Roebuck Business Park
ME17 1AB
United Kingdom
Tel: 44 (0)1622 859444
Fax: 44 (0)1622 859 555
Email Us
Web Site
Copyright © 2021 SPIE EuropeDesigned by Kestrel Web Services