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    • Square 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 x 45°±15°  

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

     

     

     ?   Most sizes λ /20 transmitted wavefront, 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:

     

    WINS ---- 127 ---- 060 ---- BK7 
         
    Product Code   Length=12.7mm   Thickness=6.0mm   Material

     

    Square   Windows:

     

    Part number Length L(mm) Thickness T(mm) Material Surface Quality Transmitted Wavefront
    WINS-127-031-BK7 12.7 3.175 BK7 20/10 λ/10
    WINS-254-063-BK7 25.4 6.35 BK7 20/10 λ/10
    WINS-127-063-UVFS 12.7 6.35 UVFS 20/10 λ/10
    WINS-254-063-UVFS 25.4 6.35 UVFS 20/10 λ/10
    WINS-508-063-UVFS 50.8 6.35 UVFS 20/10 λ/10

     

    Note:Other sizes and surface quality are upon customs's  request.

     

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