ODM Ir Window – Germanium Lens(Ge lens) for Infrared Applications – Wavelength

ODM Ir Window – Germanium Lens(Ge lens) for Infrared Applications – Wavelength


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ODM Ir Window – Germanium Lens(Ge lens) for Infrared Applications – Wavelength Detail:

Product information:

Germanium lens is optical lens made of germanium. Germanium (Ge) is a crystalline material with the highest refractive index (4.002@11µm) of the commonly used infrared materials. It also has a comparatively low dispersion, high hardness and density. Due to its broad transmission range (over 45% in the 2-12 micron band) and opaque to the UV and visible light, Germanium is well suited for IR application such as thermal imaging systems, infrared field applications and precision analytic instruments.

Germanium is also subject to thermal runaway. With temperature growing, the absorption increases very rapidly. Because of this thermal runaway effect, germanium lens is not suitable to be used at temperatures above 100°C.

Wavelength Infrared can manufacture a variety shape of germanium lens with plane, concave, convex, aspheric and diffractive surfaces. Germanium 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 germanium 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 Germanium(Ge)
Diameter 10mm-300mm
Shape Spherical or Aspheric
Focal length <+/-1%
Decentration <1’
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:

ODM Ir Window –  Germanium Lens(Ge lens) for Infrared Applications – Wavelength detail pictures

ODM Ir Window –  Germanium Lens(Ge lens) for Infrared Applications – Wavelength detail pictures


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We keep on with our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We intention to create extra worth for our buyers with our prosperous resources, superior machinery, experienced workers and superb services for ODM Ir Window – Germanium Lens(Ge lens) for Infrared Applications – Wavelength , The product will supply to all over the world, such as: Guatemala, Eindhoven, Georgia, Our production have been exported to more than 30 countries and regions as first hand source with lowest price. We sincerely welcome customers from both at home and abroad to come to negotiate business with us.
  • With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
    5 Stars By Teresa from Belize - 2017.06.19 13:51
    Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Naomi from Thailand - 2018.11.02 11:11
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