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We present a mechanical laser shutter design that utilizes a DC electricmotor to rotate a blade which blocks and unblocks a light beam. The blade andthe main body of the shutter are modeled with computer aided design (CAD) andare produced by 3D printing. Rubber flaps are used to limit the blade's rangeof motion, reducing vibrations and preventing undesirable blade oscillations.At its nominal operating voltage, the shutter achieves a switching speed of(1.22 $\pm$ 0.02) m/s with 1 ms activation delay and 10 $\mu$s jitter in itstiming performance. The shutter design is simple, easy to replicate, and highlyreliable, showing no failure or degradation in performance over more than$10^8$ cycles.

Fast Compact Laser Shutter Using a Direct Current Motor and 3D Printing