Germanium has excellent transmission across 2-14 micron waveband and be used in both mid-wave infrared and long-wave infrared systems. Germanium is a most widely used infrared material for windows and lens in thermal-imaging systems.
Specifications
Material: | Germanium, mono-crystalline |
Diameter: | +0/-0.1mm |
Thickness: | +/-0.1mm |
Clear aperture: | 90% of the diameter |
Parallelism: | < 1 arc minute |
Surface quality: | 60-40 scratch and dig |
Flatness: | λ/2 |
Coating: | with or without AR coating |
Bevel: | Protective bevel |
Germanium has excellent transmission across 2-14 micron waveband and be used in both mid-wave infrared and long-wave infrared systems. Germanium is a most widely used infrared material for windows and lens in thermal-imaging systems.
Specifications
Material: | Germanium, mono-crystalline |
Diameter: | +0/-0.1mm |
Thickness: | +/-0.1mm |
Clear aperture: | 90% of the diameter |
Parallelism: | < 1 arc minute |
Surface quality: | 60-40 scratch and dig |
Flatness: | λ/2 |
Coating: | with or without AR coating |
Bevel: | Protective bevel |
