Title :
Laser-induced sonic waves in air
Author :
Ujihara, K. ; Kamiyama, M.
Abstract :
Sonic waves induced by the shock of the laser-produced vapor from brass and graphite are observed in air at atmospheric pressure, using high-speed shadowgraphs. The energy transferred from the laser-produced vapor to the sonic wave is estimated to be about 10-1of the laser energy.
Keywords :
Acoustic propagation; Atmospheric waves; Electrodes; Laser beams; Optical propagation; Optical pulses; Plasma properties; Power lasers; Space vector pulse width modulation; Sparks;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1969.7356
