Laser Schlieren optical system for analyzing ultrasonic fields.
D001161:Arteriosclerosis / Q000175:diagnosis; D003626:Data Display; D001330:Electronic Data Processing; D006801:Humans; D007834:Lasers; D055095:Optics and Photonics / Q000295:instrumentation; D014159:Transducers; D014465:Ultrasonics