Infrared glass germanium aspherical lens

GE material feature high index of refraction (around 4.0 from 2 - 14μm), an anti-reflection coating is recommended on these germanium windows or Germanium Lens for sufficient transmission in the region of interest. Germanium is subject to thermal runaway, meaning that the transmission decreases as temperature increases. As such, these germanium windows or Germanium lens should be used at temperatures below 100°C. Germanium’s high density (5.33 g/cm3) should be considered when designing for weight-sensitive systems. The Knoop Hardness of germanium (780) is approximately twice that of magnesium fluoride, making it ideal for infrared applications requiring rugged optics. Germanium Infrared Lens, Germanium Aspheric Lens and other Germanium elements are available. Infrared Window such as Ge Optical Round Window, Zinc Selenide Windows, Caf2 Window , sapphire window and other Irregular Window are available upon request. 

China Star Optics has strong and comprehensive technical capablity, integrate the design and manufacture as a whole.Imported the global advanced aspherical equipment and instruments from Germany,manufactured various aspherical products,including infrared glass Aspheric Lens , such as ZnSe Bi Convex Aspherical Lens,Ge Optical Aspheric Lens,Silicon Aspherical Lens ,ZnS Convex Aspherical Lenses. Our convex aspherical lenses has already application in various high technology project and products. 

Specification of our optical aspheric lens as follow:
Material: BK7,B270 glass,ZF13 optical aspheric lens. Optical Crystals Aspherical Lens, Silicon, germanium and other infrared glass aspheric lens. 
Size:10 mm-200 mm
Fringes:lambda/2
Center Thickness: 15 mm-25 mm
Dispersion round: 0.03 mm-0.2 mm
Centration: 3 arc min
Surface Quality:60-40 Scratch/Dig
Clear Aperture:90%
Coating:Available upon Request

Product Categories : Aspherical Lens > Optical Crystals Aspherical Lens