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Precision Grade Windows

Precision Grade Windows are optically flat components that have two opposite polished faces and are used to protect internal components within an instrument. Precision Grade Optical Windows are used in a variety of industries, and Oplens has been supplying custom and stock precision grade optical windows for the aerospace industry, military and commercial avionics, scientific and medical instrumentation, academic and research, and industrial applications.


Precision grade windows are available in a variety of shapes, sizes, and coatings, designed to meet your specific application.


Optical Window Substrate/Material:

BK7 and Fused silica typically, Visible optical glass,Infrared optical glass


Precision Grade Windows Shape:

We have the ability to provide customized shapes, such as round, rectangular, etc.


Our precision optical windows are polished to λ per 25mm, λ/4 or λ/20 and are available uncoated or coated. Custom coatings are available upon request.

Parameters


Material

BK7 and Fused silica typically, Visible optical glass,Infrared optical glass, Colored glass.
TolerancesLow precisionStandard precisionHigh precision
Glass Qualitynd±0.001±0.0005±0.0001
vd±0.8%±0.3%±0.1%
Dimension Tolerance(mm)±0.20±0.10+0.01/-0.01
Thickness Tolerance(mm)±0.20±0.1±0.005
Scratch—DigV(80—50)IV(60—40)II(20—10)
Wave front Distortion 632.8nmλ per 25mmλ /4per 25mmλ /20 per 25mm
Clear Aperture80%90%100%
Parallelism (arc min)3-5 minutes1 minutes<1 second
Bevel0.3±0.20mm×45° or upon requirement
CoatingCoating may be available by custom order

More about Precision Grade Windows information,you can contact our Technical staff.



Precision Grade Windows

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