Customizable Infrared window optical polished glass lens

What is an infrared window?

 The infrared window is an optical component in the infrared spectrum. Its function is to protect the internal electronic components from environmental contamination. 

Common infrared window materials include germanium (Ge), silicon (Si), calcium fluoride (CaF₂), zinc sulfide (ZnS), zinc selenide (ZnSe), etc.

These materials have excellent infrared transmittance and stability, and are suitable for different wavelength bands and application scenarios.

 

How to choose an infrared window?

When choosing an Infrared window, the following factors need to be considered:

the light transmission performance of the material, whether it is suitable for the infrared band, and its tolerance in specific environments.

Customized Infrared windows can undergo polishing treatment and be equipped with components for dispersing the light source to control the lighting effect.

 

Advantages of an infrared window?

In the infrared wavelength range, using an infrared window can effectively protect optical components, thus enabling further technical research.

The following are the advantages:

• High infrared transmittance

It has excellent transmission performance in the mid-wave (MWIR) and long-wave (LWIR) infrared bands.

Different wavelength bands can select different materials (such as Ge, ZnSe, Si) to achieve the maximum light energy efficiency.

• Excellent environmental adaptability

Some materials (such as sapphire, silicon) possess high strength, corrosion resistance, and high temperature resistance.

And it can be applied in different environments such as high pressure, high humidity and low temperature.

• Multiple material options, meeting a wide range of requirements

It covers the infrared spectrum. And the infrared window supports complex scenarios such as multi-band imaging, infrared thermal imaging, and laser windows.

• Customizable optical performance

People can customize the window according to the requirements suach as the transmission wavelength range, surface accuracy, thickness, tolerance, and coating.

Provide different coating layers such as anti-reflection (AR) coating.

 

What are the materials of infrared window?

The infrared window is made of various materials. Users can choose them according to their needs.

Common materials for infrared window includes germanium, silicon, zinc selenide, calcium fluoride, etc.

 

What is the difference between infrared windows and other windows?

Infrared light can include near-infrared (NIR), short-wavelength (SWIR), medium-wavelength (MWIR), long-wavelength (LWIR), and far-infrared (FIR).

For applications within the infrared region, people often use germanium as the substrate material for optical windows.

It is suitable for infrared systems, laser systems, thermal imagers, etc. And it is more resistant to high temperatures.