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        • 菱形棱鏡
         
        菱形棱鏡

         

        Rhomboid prism can displace a laser beam without change the image orientation, the input beam is totally internal reflected by two 45degree faces and goes out from the output face. Then, a lateral displacement is produced. Higher transmission rate can be achieved by anti-reflective coating on the input and output faces. Rhomboid prism is always used in stereoscopic system and periscope system.

        Currently we can make angle tolerance <5 arc seconds, total beam deviation <30 arc seconds. Large size is also available.
         

          

        Specifications
        Material:-------------------------------------------------------------------------BK7 Grade A optical glass
        Dimension Tolerance:------------------------------------------------------±0.2mm
        Beam Deviation:--------------------------------------------------------------Up to 30 arc seconds
        Angle Tolerance:-------------------------------------------------------------Up to 5 arc seconds
        Flatness:------------------------------------------------------------------------λ/4@632.8nm
        Surface Quality:---------------------------------------------------------------60/40 scratch and dig
        Coating:-------------------------------------------------------------------------AR coating available


         

        Part No.
        Material
        A(mm)
        B(mm)
        C(mm)
        Deviation
        RHP0005
        BK7
        5.0
        5.0
        7.1
        <30 arc sec
        RHP0010
        BK7
        10.0
        10.0
        14.1
        <30 arc sec
        RHP0012
        BK7
        12.7
        12.7
        18.0
        <30 arc sec
        RHP0020
        BK7
        20.0
        20.0
        28.3
        <30 arc sec
        RHP0025
        BK7
        25.4
        25.4
        35.9
        <30 arc sec

         

        Note: Other sizes, material and coatings are available upon request.


           PDF to download

         
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