chalcogenide glasses preparation properties and applications Products – Chalcogenide Glass Lens for Infrared Applications – Wavelength

chalcogenide glasses preparation properties and applications Products – Chalcogenide Glass Lens for Infrared Applications – Wavelength


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chalcogenide glasses preparation properties and applications Products – Chalcogenide Glass Lens for Infrared Applications – Wavelength Detail:

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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.


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chalcogenide glasses preparation properties and applications Products –  Chalcogenide Glass Lens for Infrared Applications – Wavelength detail pictures

chalcogenide glasses preparation properties and applications Products –  Chalcogenide Glass Lens for Infrared Applications – Wavelength detail pictures


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We usually continually offer you the most conscientious consumer services, along with the widest variety of designs and styles with finest materials. These initiatives include the availability of customized designs with speed and dispatch for chalcogenide glasses preparation properties and applications Products – Chalcogenide Glass Lens for Infrared Applications – Wavelength , The product will supply to all over the world, such as: Adelaide, Milan, Venezuela, To keep the leading position in our industry, we never stop challenging the limitation in all aspects to create the ideal products. In his way, We can enrich our life style and promote a better living environment for the global community.
  • Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Cara from Thailand - 2018.02.12 14:52
    The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
    5 Stars By Joyce from Uzbekistan - 2018.02.12 14:52
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