Added reflectance at a wavelength of 9μm for infrared reflection prevention (ANIX-DLC).

This is a filter that forms a multilayer film on infrared optical substrates made of Ge or Si, allowing efficient transmission of infrared wavelengths in the 9μm range due to the action of the interference film.
Transmittance: Achieved a maximum of 93% (substrate: Ge). *This is not a guaranteed value.
Reflectance: Achieved below 0.5% (at 9μm) (substrate: Ge). *This is not a guaranteed value.
→ The reflectance data graph has been updated!
It can also be applied as a window material for detecting infrared radiation emitted from objects near room temperature.
◆◆ Are you facing any of these issues?
- I want a filter with high transmittance as a window material for lasers.
- The substrates that transmit infrared have low transmittance on their own, so I would like improvements.
- Is it difficult to control the peak wavelength?
- Since germanium is a material that is weak against scratches and water, can we achieve stronger characteristics?
- Can measurements be taken in the far-infrared region?

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