Micro Optical Window
  • Micro Optical Window
  • Micro Optical Window
  • Micro Optical Window

Micro Optical Window

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Optical windows are made of optical grade glass with plane parallel surfaces. They are used to admit light into an optical system and to protect it from dirt and moisture.

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The window is a parallel flat panel that does not change the magnification of the system. The substrate material includes various optical glasses, ultraviolet fused silica, infrared fused silica, and crystal materials such as CaF2, MgF2, ZnSe, Ge, Si, and various optical coatings such as antireflection film, high reflection film, spectroscopic film, and metal film. Widely used in optical systems, usually as a protective device between sophisticated electronic equipment and the environment

MaterialsN-BK7, Fused silica, etc
Dimensional Tolerance± 0.05mm
Flatnessλ/4 @ 632.8nm
Surface Quality20 ~ 10
Clear Aperture90%
Parallelism<  30 arc second
Coating  AR Coating, Metal coating or   Specified by customer

 


Optical windows are optical materials with polished surfaces that are relatively parallel. They are used to isolate different physical environments while allowing a light beam to pass. 

Diameter(mm)Thickness(mm)
20.5
31
51
52
53


AR Coating

AR Coating:1, Single MgF2, Ravg<1.75% per surface@400-700nm

2, AR coating, Ravg<0.5% per surface@370-675nm

3, AR coating, Ravg<0.5% per surface@650-1050nm

4, AR coating, Ravg<0.5% per surface@1050-1620nm


Micro Optical Window

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