Sample Bubble lifetime,ns The pixel image amplitudes, count Mono-NP clusters of gold spheres 3±4 990±15 Mono-NP clusters of gold rods 3±3 1045±31 Multi-NP clusters consisting of mixed spheres and rods 63±4 8860±321

Table 1: Parameters of plasmonic nanobubbles generated around NP clusters exposed to two simultaneous laser pulses (0.5 ns each, 532 nm: 16 mJ/cm2, 787 nm 36 mJ/cm2).