Buy Lwir Lens Products – Chalcogenide Glass Lens for Infrared Applications – Wavelength

Buy Lwir Lens Products – Chalcogenide Glass Lens for Infrared Applications – Wavelength


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Buy Lwir Lens Products – Chalcogenide Glass Lens for Infrared Applications – Wavelength Detail:

Product information:

Chalcogenide glass lens is optical lens made of chalcogenide glass. Chalcogenide glass is not one but a series of glass like amorphous materials which are transmit in the infrared band. They featured good transmission(>60%) in the range of 2-12 micron, low index of refraction(2.4-2.8@11micron), low thermal change in refractive index and low dispersion. They have similar mechanical and optical properties to germanium, which make them well suited for IR application, especially in color correction with germanium lens in optical system.

Unlike germanium, which needs to be mined and has limited supply, chalcogenide glass are synthetic and their prices are more stable. Chalcogenide glass have low melt point(200-400℃) compared to other infrared materials, they can be molded into aspheric lens with low cost for large quantity production(”Molded IR-Molded Chalcogenide Glass Lens”). For these two reasons, chalcogenide glass lens would play more and more important role in the infrared applications.

Wavelength Infrared can manufacture a variety shape of chalcogenide glass lens with plane, concave, convex, aspheric and diffractive surfaces. Chalcogenide glass is most popular for systems operating in the 3-5 or 8-12µm spectral region, with anti-reflective coatings (AR coating), the average transmission could be brought up to 97.5-98.5% depend on the bandwidth of the coating. We can also apply diamond-like carbon coating (DLC coating) or high durable coating (HD coating) on lens surface to provide extra protection against scratch and impact.

Wavelength infrared manufactures quality custom spherical and aspheric chalcogenide glass lens. They can either focus or diverge incoming light beam to meet specific requirement of the infrared system. The application could be thermal imaging, thermograph, beam collimating, spectrum analysis and etc.

Specifications:

Material Chalcogenide glass
Diameter 10mm-300mm
Shape Spherical or Aspheric
Focal length <+/-1%
Decentration <1 minute
Surface figure <λ/4 @ 632.8nm (Spherical surface)
Surface irregularity < 0.5 micron (Aspheric surface)
Clear Aperture >90%
Coating AR,DLC or HD

Remarks:

1.DLC/AR or HD/AR coatings are available upon request.

2.Customization available for this product to suit your technical requirements. Let us know your required specifications.


Product detail pictures:

Buy Lwir Lens Products –  Chalcogenide Glass Lens for Infrared Applications – Wavelength detail pictures

Buy Lwir Lens Products –  Chalcogenide Glass Lens for Infrared Applications – Wavelength detail pictures


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With our rich experience and considerate services, we have been recognized as a reliable supplier for many international buyers for Buy Lwir Lens Products – Chalcogenide Glass Lens for Infrared Applications – Wavelength , The product will supply to all over the world, such as: America, Burundi, Rwanda, Excellent quality, competitive price, punctual delivery and dependable service can be guaranteed. For further inquires please do not hesitate to contact us. Thank you - Your support continuously inspires us.
  • The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
    5 Stars By Alma from Oslo - 2018.12.11 14:13
    We have worked with many companies, but this time is the best,detailed explanation, timely delivery and quality qualified, nice!
    5 Stars By Pearl from Bulgaria - 2018.05.13 17:00
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