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Home > Products > Infrared Optics > Germanium
Optical Properties of Germanium
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
| 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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