Mechanisms of ultrasonic modulation of multiply scattered incoherent light based on diffusion theory*
Zhu Li-Li, Li Hui
Fig. 2. Experimental setup: 1. white light; 2. beam expander; 3. water tank;4,5. aperture; 6. ultrasonic transducer; 7. ultrasonic pulser-receiver; 8. photomultiplier tube; 9. multipurpose power supply; 10. amplifier; 11. oscilloscope.