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    • Parallel Windows

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    Specifications:

    Material BK7 or UV fused silica
    Diameter Tolerance +0/-0.15mm
    Thickness Tolerance ±0.25mm
    Clear Aperture >Central 85% of diameter
    Parallelism <5″
    Surface Quality 20/10
    Transmitted Wavefront

    λ/10 @632.8nm

    Chamfers

    12.7&25.4mm:0.25-0.75mm face  width×45°±15°

    50.8mm:0.38-1.14mm face  width×45°±15°

     

     

     ?   Most sizes with λ /20 transmitted wavefront and 10-5 surface quality are available;

     ?   All kinds of coatings  are available;

     ?   Custom designs for other sizes and coatings are also available upon request.

     

    Order Information:

     

    WIN ---- 127 ---- 060 ---- BK7 
         
    Product Code   Dia=12.7mm   Thickness=6.0mm   Material

     

    Parallel Windows:

     

    Part Number

    Diameter 

    D(mm)

    Thickness 

    T(mm)

    Material Surface Quality

    Transmitted

     Wavefront

    WIN-127-031-BK7 12.7 3.175 BK7 20/10 λ/10
    WIN-127-060-BK7 12.7 6.0 BK7 20/10 λ/10
    WIN-254-060-BK7 25.4 6.0 BK7 20/10 λ/10
    WIN-254-063-BK7 25.4 6.35 BK7 20/10 λ/10
    WIN-508-100-BK7 50.8 10.0 BK7 20/10 λ/10
    WIN-127-031-UVFS 12.7 3.175 UVFS 20/10 λ/10
    WIN-127-060-UVFS 12.7 6.0 UVFS 20/10 λ/10
    WIN-254-060-UVFS 25.4 6.0 UVFS 20/10 λ/10
    WIN-254-063-UVFS 25.4 6.35 UVFS 20/10 λ/10
    WIN-508-100-UVFS 50.8 10.0 UVFS 20/10 λ/10

     

     

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