ZnSe window

Customizable Optical ZnSe window

  • Material: ZnSe
  • Diameter Tolerance: +0.0/-0.1mm
  • Thickness Tolerance: ±0.1mm
  • Surface Accuracy: λ/4@632.8nm
  • Surface Quality: 60-40
  • Clear Aperture: >90%
  • Coating: AR/Custom Design
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What is a ZnSe window?

The ZnSe window is a flat optical window which is made of ZnSe material.

And Zinc selenide (ZnSe) is a yellowish-orange semi-transparent crystal with excellent infrared transmittance and low absorption properties.

People also ust it to protect optical components or the internal structure of lasers, while allowing infrared light to pass through smoothly.

ZnSe is a relatively soft material that scratches easily. Therefore, it is not recommended in harsh environments because its knoop hardness is only 120.

 

 

Core highlights of the ZnSe window

  • Wide light transmission range:

0.5 to 22 μm, covering the entire spectrum from visible light to far-infrared.

  • Extremely low absorption rate:

The ZnSe window is especially suitable for the 10.6μm CO₂ laser wavelength band.

  • Visible-infrared compatibility:

Suitable for multi-band application scenarios (such as infrared cameras + lasers)

  • Lightweight structure, resistant to thermal shock:

Due to the inherent properties of zinc selenide, it is highly suitable for use in some high-temperature environments.

 

Application of the window

Here are the applications of the ZnSe window:

  • Laser system

The window is widely applied in: laser cutting, laser welding, laser marking.

  • Infrared thermal imaging and temperature measurement equipment

ZnSe can pass through the 8-12μm thermal imaging main band, with stable performance and clear imaging.

  • Infrared spectroscopy analysis

  • Infrared sensor and infrared camera

 

Is the ZnSe window suitable for outdoor environments?
A: It is recommended to choose the window with a coating. Therefore, it can significantly enhance moisture-proof, scratch-proof and dirt-proof performance, and is suitable for outdoor and harsh industrial environments.
How to clean the ZnSe window?
A: You can wipe it with dust-free lens paper and alcohol. Avoid using acidic or fluorine-containing cleaners as they may corrode the surface.
Do you support small-batch customization?
A: Yes, there is no minimum order quantity limit.A: Yes, there is no minimum order quantity limit.
When will you make the delivery?
A:Within three to eight days after confirming the information. You can talk with our staff.

 

 

 

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