OEM Molded Glass Lens Products – Germanium Lens(Ge lens) for Infrared Applications – Wavelength
OEM Molded Glass Lens Products – Germanium Lens(Ge lens) for Infrared Applications – Wavelength
OEM Molded Glass 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:
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We stick with the theory of "quality first, company first, steady improvement and innovation to satisfy the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our provider, we deliver the items together with the fantastic good quality at the reasonable value for OEM Molded Glass Lens Products – Germanium Lens(Ge lens) for Infrared Applications – Wavelength , The product will supply to all over the world, such as: Nigeria, Houston, Brasilia, It using the world's leading system for reliable operation, a low failure rate, it suitable for Argentina customers choice. Our company is situated within the national civilized cities, the traffic is very convenient, unique geographical and economic conditions. We pursue a people-oriented, meticulous manufacturing, brainstorm, build brilliant" business philosophy. Strict quality management, perfect service, reasonable price in Argentina is our stand on the premise of competition. If necessary, welcome to contact us by our website or phone consultation, we will be happy to serve you.
By Cheryl from Kenya - 2017.06.29 18:55
The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
By Sophia from Greece - 2018.12.11 11:26
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