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Home > Products > Infrared Optics > Germanium

Germanium Aspheric Lenses
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Optical Properties of Germanium
Optical Properties of Germanium
Transmission Range（μm)  2-14   
Refractive index,@10um 4.0026 
Index of refraction homogeneity ≤1.0+10 -4
Temperature coefficient of refractive index 400x10-6
absorption coefficient,cm-1,10.6 μm ≤0.027


Highly Recommended Germanium from Yutai Optics:
IR Germanium
Germanium Windows with DLC Coating
Spherical Germanium Lenses for LWIR
Germanium Right Angle Prisms
Germanium IR Longpass Filters
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