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Testbed used for measuring dynamic wavefront distortion in a galvanometric resonant scanner with a SiC mirror. In this diagram, BS is a beam splitter, fi represents focal length of an achromatic lens in millimeters, and Pj denotes a linear polarizer. A red dotted line shows a 4 mm pupil over a SHWS image. The bottom left panels show the mirror in its mount and a magnified inset.
