Visualization of under water cavitation using focusing laser beam

Figure 1 A schematic diagram of the optical system for high-speed shadowgraph imaging of laser induced cavitation bubble

Laser induce bubble
Figure 2 High-speed photographs of the laser-induced cavitation bubble (multiple exposure).

Laser induce shock wave
Figure 3 High-speed photographs of shock wave produced by laser-induced bubble.

Figure 4 A schematic diagram of the optical system for high-speed shadowgraph imaging of laser induced cavitation bubble

Figure 5 High-speed photographs of laser-induced bubble in free field. (click here (669kb) to see the movie)