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  • Parallel Windows

  • Description
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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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