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    Dove Prisms
    商品货号:ECS000784
    商品品牌:Thorlabs
    详细介绍

    Thorlabs' Dove Prisms are made from BK7 and can be used to invert, reverse, or rotate an image, depending on which surface the light enters the prism. Please see the table below for more information.

    Dove prisms are right angle prisms with the triangular apex removed, which reduces the weight of the prism and stray internal reflections. In addition, the flat top surface of the dove prism makes mounting on a platform and securing with a mounting arm, like the PM1 or PM2, easier. Please refer to the Accessories Tab above for mounting options, including Thorlabs' line of kinematic prism mounts and the pitch and yaw platform. The dove prism introduces some astigmatism, so we recommend using collimated light with this prism.

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    Refer to the drawing on the left to see how the dove prism can be used to produce an inverted or rotated beam.

    When light enters the prism through one of the angled faces, the dove prism provides a 180o inverted beam without any deviation. Rotation of the prism about the longitudinal axis causes the image to be rotated at 2x the rate of the prism's rotation. A 90o rotation of the prism results in a 180o rotated image, effectively reversing the image.

    For optional anti-reflection coatings, please email us or contact Tech Support at 973-579-7227.

     

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    Refer to the drawing on the left to see how the dove prism can be used to produce an inverted and deviated beam.

    When the light is incident on the hypotenuse (largest face), the dove prism acts like a retro-reflector or a right angle prism. The light exits parallel to the input light and is 180o inverted. In situations where there are space limitations and more convenient mounting of the prism is preferred, the dove prism can be an excellent replacement for the retro-reflector or right angle prism. The 180o deviation of the light path is independent of the angle at which the light enters the prism.

    For optional anti-reflection coatings, please email us or contact Tech Support at 973-579-7227.

     

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