1) № ARGE-3-5 Anti-reflecting coating on Germanium ( Ge ) at 3-5 microns. Anti-reflection coatings for other wavelengths, required by customers, are also possible. Adhesion of a coating is checked up by a sticky tape. The coating stands rubbing by cotton tampon, moistened in acetone. The coating has passed the climatic test (24 hours at temperature of 50 degrees celsius and humidity of 98-99 %). .
ARGE-3-5 Anti-reflecting coating on Germanium ( Ge ) at 3-5 um. reflection from one coated side (theoretical)	ARGE-3-5 Anti-reflecting coating on Germanium ( Ge ) at 3-5 um. transmittance of a sample coated from both sides
2) ARGE-5-8 Anti-reflecting coating on Germanium ( Ge ) for two wavelengths in visible and IR range – 5-8 microns. Anti-reflection coatings for other wavelengths, required by customers, are also possible. Adhesion of a coating is checked up by a sticky tape. The coating stands rubbing by cotton tampon, moistened in acetone. The coating has passed the climatic test (24 hours at temperature of 50 degrees celsius and humidity of 98-99 %). . .
ARGE-5-8 Anti-reflecting coating on Germanium ( Ge ) at 5-8 um reflection from one coated side (theoretical)	ARGE-5-8 Anti-reflecting coating on Germanium ( Ge ) at 5-8 um transmittance of a sample coated from both sides
3) № ARGE-8-13 Anti-reflecting coating on Germanium ( Ge ) at 8-13 microns. Anti-reflection coatings for other wavelengths, required by customers, are also possible. Adhesion of a coating is checked up by a sticky tape. The coating stands rubbing by cotton tampon, moistened in acetone. The coating has passed the climatic test (24 hours at temperature of 50 degrees celsius and humidity of 98-99 %). .
ARGE-8-13 Anti-reflecting coating on Germanium ( Ge ) at 8-13 um reflection from one coated side (theoretical)	ARGE-8-13 Anti-reflecting coating on Germanium ( Ge ) 8-13 um transmittance of a sample coated from both sides
4) ARGE-10.6 Anti-reflecting coating on Germanium ( Ge ) at 10.6 microns. Anti-reflection coatings for other wavelengths, required by customers, are also possible. Adhesion of a coating is checked up by a sticky tape. The coating stands rubbing by cotton tampon, moistened in acetone. The coating has passed the climatic test (24 hours at temperature of 50 degrees celsius and humidity of 98-99 %). . ARGE-10.6 Anti-reflecting coating on Germanium ( Ge ) at 10.6 um reflection from one coated side (theoretical) ARGE-10.6 Anti-reflecting coating on Germanium ( Ge ) at  10.6 um transmittance of a sample coated from both sides (theoretical)
Filtering coatings on Germanium ( Ge ).  Filtering coatings with other parametres and for other wavelengths, required by customers, are also possible for visible and IR range. .Adhesion of a coating is checked up by a sticky tape. The coating stands rubbing by cotton tampon, moistened in acetone.
Transmittance of un-coated Germanium ( Ge ) window.
Transmittance of un-coated Germanium ( Ge )  window.
-------------------------------------------------------------------------------- Anti-reflecting coatings are used to increase the transparency of optical systems by the decrease of reflection losses at surfaces of optical components. Under such effect intensity and contrast of an image increase that is achieved as the result of the reduce of light scattering which forms flashes and other defects of images. The most considerable rise of light flow due to the presence of anti-reflection coatings takes place in multi-component systems and systems that contain high-refracting components.

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