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    道威棱鏡

     

     Dove prism has two applications. The main application is used as a rotator. It can rotate an image but without deviating the beam. And when the prism is rotated about the input parallel ray through some angle, the image rotates through twice that angle. It is very important that the application must be used with parallel or collimated beam and the large square reflective surface should be kept very clean. Another application is used as a retroreflector. For this application it perform as a right-angle prism.

    Specification for standard Dove prism:
    Material: BK7 Grade A optical glass
    Dimension Tolerance:+0,-0.2mm
    Flatness:λ/4 @ 632.8 nm
    Surface Quality: 60-40 scratch and dig
    Clear Aperture: >80%
    Bevel: 0.2 mm to 0.5 mm x 45
    Angle Tolerance:±3arcmin

    Part No.

    A (mm)

    B (mm)

    h (mm)

    DVP0101

    21.1

    5.0

    5.0

    DVP0102

    42.3

    10.0

    10.0

    DVP0103

    63.4

    15.0

    15.0

    DVP0104

    80

    20.0

    20.0

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

       PDF to download

     
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