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    • Olivia Fehlberg

    Product Support Engineer, Edmund Optics

    Olivia Fehlberg is Product Support Engineer at Edmund Optics (Tucson, AZ).

    FIGURE 1. As laser energy increases, the necessity of higher quality and precision optics and coatings causes the cost of the beam expander to increase (a). Increasing the input aperture size increases the cost of the beam expander rapidly at larger input apertures because of the nonlinear dependence of aberrations on input beam diameter (b). With a fixed design, increasing the input aperture leads to a decrease in performance as aberrations start to dominate the wavefront (c).
    Optics

    Optical Design: How to select the right laser beam expander

    Olivia Fehlberg
    June 12, 2017
    Beam expansion is essential in many laser systems, so correctly specifying the necessary beam expander to achieve the right performance without excessive cost has become crucial...