Reflective beam expanders produce no central obscuration

    March 1, 2024
    A-1 Series reflective beam expanders have standard magnification configurations of 3.5x, 5x, 7.5x, 10x, and 30x.
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    65d774dcb4edb5001e411643 Optical Surfaces

    A-1 Series reflective beam expanders have standard magnification configurations of 3.5x, 5x, 7.5x, 10x, and 30x, and magnify laser beams to 2 mm diameter. Unlike lens-based beam expanders, they can be used with collimated polychromatic light without needing fine focus adjustment. Manufactured to >λ/5 transmitted wavefront accuracies, they produce no central obscuration. 

    Optical Surfaces

    Kenley, U.K.

    www.optisurf.com

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