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    1、Brewster Windows

     

    Material: BK7 Glass, UV grade fused silica
    Diameter Tolerance: +0.0,-0.1mm
    Thickness Tolerance:±0.1mm
    Wedge: 40"
    Surface Quality: 40-20
    Wavefront Distortion: λ/4@632.8nm
    Brewster Angle:56.6°for BK7 glass(588nm), 56.1°for Fused silica(308nm)
    Clear Aperture: Central 80% of diameter
    Protective Bevel:Yes

     


    2、Square Windows

     

    Material: BK7 glass, UV grade fused silica,CaF2, MgF2, Crystal Quartz, YAG, Crystal quartz ,sapphire or Ge
    Diameter Tolerance: +0.0,-0.1mm
    Thickness Tolerance: ±0.1mm
    Parallelism: 40"
    Surface Quality: See following product tables
    surface Flatness: See following Product tables
    Clear Aperture: Central 80% of diameter
    Protective Bevel: Yes

    Most size λ/4surface figure,40-20surface quality
    All kinds of coatings are available.
    Custom designs for other sizes and coatings are also available upon request

     

     

     

    3、High Precision windows

     


    Material: BK7 glass, UV grade fused silica,YAG, Crystal quartz ,sapphire or Ge
    Diameter Tolerance: +0.0,-0.1mm
    Thickness Tolerance: ±0.2mm
    Parallelism: 10″
    Surface Quality: See following product tables
    surface Flatness: See following Product tables
    Clear Aperture: Central 85% of diameter
    Protective Bevel: YES

    High precision with parallel wedge≤10 arc seconds.
    Most size λ/8 surface figure,20-10 surface quality for most material (see table).
    All kinds of coatings are available.
    Custom designs for other sizes and coatings are also available upon request

     

     

     

     

     

    4、Standard Plane Windows

    Specifications:

    Material: BK7 glass,UV grade fused silica,CaF2,MgF2,Crystal Quartz,YAG,or Sapphire.
    Diameter Tolerance: +0.0,-0.1mm
    Thickness Tolerance: ±0.2mm
    Parallelism: 40″ for most materials
    Surface Quality: See following product tables
    Surface Flatness: See following Product tables
    Clear Aperture: Central 80% of diameter
    Protective Bevel :Yes

    General purpose:laser quality windows
    Most size λ/4surface figure,40-20 surface quality for most materials (see table).
    All kinds of coatings are available.
    Custom designs for other sizes and coatings are also available upon request

     

     

     

     

     

     

     

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