OEM Silicon Ir Lens Products – Germanium Lens(Ge lens) for Infrared Applications – Wavelength

OEM Silicon Ir Lens Products – Germanium Lens(Ge lens) for Infrared Applications – Wavelength


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OEM Silicon Ir Lens Products – 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 Silicon Ir Lens Products –  Germanium Lens(Ge lens) for Infrared Applications – Wavelength detail pictures

OEM Silicon Ir Lens Products –  Germanium Lens(Ge lens) for Infrared Applications – Wavelength detail pictures


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We're proud from the higher client fulfillment and wide acceptance due to our persistent pursuit of high quality both on product and service for OEM Silicon Ir Lens Products – Germanium Lens(Ge lens) for Infrared Applications – Wavelength , The product will supply to all over the world, such as: Indonesia, Denver, Saudi Arabia, We have been persisting in the business essence "Quality First, Honoring Contracts and Standing by Reputations, providing customers with satisfying goods and service. " Friends both at home and abroad are warmly welcome to establish everlasting business relations with us.
  • This company can be well to meet our needs on product quantity and delivery time, so we always choose them when we have procurement requirements.
    5 Stars By Dale from Plymouth - 2018.06.12 16:22
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Prudence from Lyon - 2018.11.28 16:25
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    Wavelength has been focused on providing high precision optical products for 20 years