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Thermal Imaging Optical Windows 
Custom Made

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Global Optics supplies custom optical windows for thermal imaging systems, manufactured exactly to customer drawings and specifications.

We support everything from one-off prototypes to production supply, with no minimum order quantity and full UK inspection prior to dispatch.

Thermal imaging systems require materials that transmit infrared wavelengths, as standard optical glass is not suitable.

Typical response time: within 24–48 hours depending on specification.
 

All components are inspected in the UK prior to dispatch to ensure they meet specification.

What We Need to Provide a Quotation

​Providing the following information allows us to quote accurately and avoid delays:

  • Material (if known)

  • Diameter / size

  • Thickness

  • Quantity

  • Drawing or specification

Not sure on thickness or specification?

Use our pressure window calculator to generate an initial specification, then send it for quotation.

Have a drawing ready?
Upload it now and receive a quotation with pricing and lead time.

Materials for Thermal Imaging Windows

  • CaF₂ (Calcium Fluoride) – wide transmission including IR

  • ZnSe (Zinc Selenide) – excellent for thermal imaging

  • ZnS (Zinc Sulphide) – durable IR applications

  • Silicon – robust and cost-effective for IR systems

  • Germanium – high-performance IR optics (longer lead times / restrictions)

When to Use Thermal Imaging Optical Windows

  • Infrared camera systems

  • Thermal sensing and monitoring

  • Industrial inspection systems

  • Scientific and analytical equipment

Choosing the Right Material for Thermal Imaging

The correct material depends on:

  • Wavelength range of the system

  • Environmental conditions

  • Mechanical strength requirements

  • Cost and availability

 If unsure, send your specification and we will quote based on your application.

When Not to Use Thermal Imaging Windows

  • Visible light-only applications (BK7 or fused silica more suitable)

  • High impact or abrasive environments (sapphire more suitable)

Applications

  • Thermal imaging cameras

  • Industrial inspection

  • Monitoring systems

  • Scientific instrumentation

Custom Made to Drawing

All thermal imaging optical windows are manufactured to customer specifications, including size, thickness, surface quality and tolerances.

We supply components strictly to drawing and support both prototype and production quantities.

Coatings Available

  • Anti-reflective coatings for IR wavelengths

  • Custom coating options

We supply thermal imaging optical windows using materials such as CaF₂, ZnSe, ZnS and Silicon depending on application requirements.

Company Registered in England Registered Office: 

Global Optics (UK) Ltd, Unit 6 Branksome Business Park, Bourne Valley Road, Poole, Dorset, BH12 1DW. Tel: 01202 767476
Company No. 3509979
© Global Optics UK Ltd - Precision Optics Supplier - UV, Visible And Infrared Optical Materials And Components For Scientific Optical Applications 

©2024 by Global Optics UK Ltd.

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