Figure 9

Moving fluorescent microparticles observed as streaks in a photograph of a Type A actuator resonating at 890 Hz with 0.6 s of exposure. Image thresholding was applied to improve visibility.
Moving fluorescent microparticles observed as streaks in a photograph of a Type A actuator resonating at 890 Hz with 0.6 s of exposure. Image thresholding was applied to improve visibility.