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Window
WINDOW

Windows are applied to isolate different physical environments while allowing light to pass through.When selecting windows,it’s impossible to consider materials, transmission, scattering, wave  front distortion,  parallelism and resistance to certain environment. Dayoptics offer all kinds of windows,which are made from different materials.Windows of special sizes and materials are available upon requirement.Single layer or multiplayer anti-reflecting coatings on optical windows are available upon customers requirement.

 

PARAMETER



SpecificationBK7 WindowsFused Silica WindowsSapphire
Diameter Tolerance+0.0,-0.1mm+0.0,-0.1mm+0.0,-0.2mm
Thickness Tolerance+/-0.2mm+/-0.2mm+/-0.2mm
Clear Aperture>80%>80%>85%
Parallelism

1′(Standard)

10″(High Precision)

1′(Standard)

10″(High Precision

1′
Surface Quality

60/40(Standard)

20/10(High Precision

60/40(Standard)60/40(Standard)

Wavefront

Distortion

λ/ 4(Standard)

λ/10(High Precision)per 25mm@633nm

λ/ 4(Standard)

λ/10(High Precision)per 25mm@633nm


λ@633nm

Bevel0.25mm*45°0.25mm*45°0.25mm*45°
CoatingUncoatedUncoatedUncoated



BK7 Windows

Part No.Diameter(mm)Thickness(mm)
WIN010110.03.0
WIN010212.73.0
WIN010325.43.0
WIN010410.06.35
WIN010512.76.35
WIN010625.46.35


Fused Silica Windows

Part No.Diameter(mm)Thickness(mm)
WIN020110.03.0
WIN020212.73.0
WIN020325.43.0
WIN020410.06.35
WIN020512.76.35
WIN020625.46.35



Sapphire Windows

Part No.Diameter(mm)Thickness(mm)
WIN03015.50.5
WIN03028.50.5
WIN03039.50.5
WIN0304101
WIN030512.71
WIN030625.41