• Beam expanders

    Laser Beam Expanders can be used over a wide range of narrow wavebands. The units use a Galilean telescope configuration corrected as an afocal system. In addition to expanding a beam, the lens permits users to control the beam`s divergence. The adjustable mount and locking ring permit variable settings of the beam diameter.
    June 1, 1998

    Beam expanders

    Laser Beam Expanders can be used over a wide range of narrow wavebands. The units use a Galilean telescope configuration corrected as an afocal system. In addition to expanding a beam, the lens permits users to control the beam`s divergence. The adjustable mount and locking ring permit variable settings of the beam diameter.

    Rolyn Optics, Covina, CA

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