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. 2015 Jan 28;3(1):11–19. doi: 10.1016/j.pacs.2015.01.001

Fig. 3.

Fig. 3

RF signals from one of the array channels for NEB-GNS solution. (a) PA signal, (b) (PA + US+) signal, (c) subtraction of (b) with US+ signal, (d) (PA + US−) signal, (e) subtraction of (c) with US− signal, (f) SPA signal. An 8-cycle US excitation at 3 MHz is used and focused to 50 mm synchronized with lasing. In all cases, the fluence is 3.65 mJ/cm2 and the pressure measured at 35 mm depth is 1.9 MPa.