Fig. 1: Schematic diagram of programmable photoacoustic patterning setup and the propagation of the elastic waves.
From: Programmable photoacoustic patterning of microparticles in air
a The setup showing the pulsed laser beam modulated by the DMD and irradiating the TiN–steel–graphite membrane to induce a local photoacoustic effect. b Simulation results depicting space–time diagrams of elastic waves induced by the photoacoustic effect. c Experimental measurements of elastic wave propagation depicted in space–time diagrams.
