daily coverage of the optics & photonics industry and the markets that it serves
Featured Showcases
Photonics West
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 © 2022 SPIE EuropeDesigned by Kestrel Web Services