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    1. Optics

    Dichroic beamsplitters have use in astronomical research

    Nov. 17, 2024
    Dichroic beamsplitters are manufactured to a surface accuracy of λ/20 p-v at 633 nm.
    Related To: Optical Surfaces Ltd
    (Image credit: Optical Surfaces)
    6706d9c765119aced9408110 Optical Surfaces

    Dichroic beamsplitters are manufactured to a surface accuracy of λ/20 p-v at 633 nm, surface quality of 10/5, microroughness of less than 1 nm rms, and up to 500-mm diameter. An extensive range of coatings can be supplied, designed to operate at the required angle of incidence. They are used in terrestrial and spaceborne telescope spectrographs.

    Optical Surfaces

    Kenley, U.K.

    www.optisurf.com

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