OEM Ge Lens Factory – Silicon Lens(Si lens) for Infrared Applications – Wavelength

OEM Ge Lens Factory – Silicon Lens(Si lens) for Infrared Applications – Wavelength


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OEM Ge Lens Factory – Silicon Lens(Si lens) for Infrared Applications – Wavelength Detail:

Product information:

Silicon lens is optical lens made of silicon. Silicon (Si) is a crystalline material that is commonly used in infrared optical systems operating in the 3 to 5µm spectral band. Its refractive index is near 3.4 throughout the range. It has comparatively low densities between common infrared materials, which is only half that of Ge, GaAs and ZnSe. Thus silicon material is ideal choice for system with weight concerns. Silicon is also harder and cheaper than most of the common infrared materials, reduce the material cost while increase the fabrication cost at the same time.

Silicon is well suited for MWIR application but due to the strong absorption above 6 micron, it is not suited for LWIR application. It could also be used as a mirror substrate for laser application due to its thermal conductivity, light weight, and hardness.

Wavelength Infrared can manufacture a variety shape of silicon lens with plane, concave, convex, aspheric and diffractive surfaces. Silicon is most popular for systems operating in the 3-5µm spectral region, with anti-reflective coatings (AR coating), the average transmission could be brought up to 98%. 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 silicon lens. They can either focus or diverge incoming light beam to meet specific requirement of the infrared system.

Specifications:

Material Silicon(Si)
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 or DLC

Remarks:

1.DLC/AR coating is available upon request.

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


Product detail pictures:

OEM Ge Lens Factory –  Silicon Lens(Si lens) for Infrared Applications – Wavelength detail pictures

OEM Ge Lens Factory –  Silicon Lens(Si lens) for Infrared Applications – Wavelength detail pictures


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We not only will try our greatest to offer you excellent services to each individual client, but also are ready to receive any suggestion offered by our buyers for OEM Ge Lens Factory – Silicon Lens(Si lens) for Infrared Applications – Wavelength , The product will supply to all over the world, such as: Bolivia, Cambodia, Colombia, We have sufficient experience in producing products according to samples or drawings. We warmly welcome customers from home and abroad to visit our company, and to cooperate with us for a splendid future together.
  • Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
    5 Stars By Ingrid from Seattle - 2017.10.23 10:29
    The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.
    5 Stars By Odelette from kazan - 2018.07.12 12:19
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