OEM Broadband Antireflection Coating Factory – Germanium Lens(Ge lens) for Infrared Applications – Wavelength

OEM Broadband Antireflection Coating Factory – Germanium Lens(Ge lens) for Infrared Applications – Wavelength


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OEM Broadband Antireflection Coating Factory – 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:

OEM Broadband Antireflection Coating Factory –  Germanium Lens(Ge lens) for Infrared Applications – Wavelength detail pictures

OEM Broadband Antireflection Coating Factory –  Germanium Lens(Ge lens) for Infrared Applications – Wavelength detail pictures


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We've been convinced that with joint efforts, the enterprise between us will bring us mutual benefits. We could guarantee you item excellent and aggressive price tag for OEM Broadband Antireflection Coating Factory – Germanium Lens(Ge lens) for Infrared Applications – Wavelength , The product will supply to all over the world, such as: Mozambique, Poland, Norway, we rely on own advantages to build a mutual-benefit commerce mechanism with our cooperative partners. As a result, we've gained a global sales network reaching the Middle East, Turkey, Malaysia and Vietnamese.
  • Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Mildred from Jakarta - 2018.07.12 12:19
    After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Nicole from Birmingham - 2018.11.04 10:32
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