Example (a,c) acoustic intensity (W/cm2) and (b,d) temperature (°C) distributions in tissue generated by the deployable applicator design (25 mm paraboloid reflector FL, 8 element × 20 mm long × 10 mm OD array, 1.5 MHz) for 30 s sonications. Applied phase settings for focusing at 30 mm (a-b) produced localized focusing and thermal lesion formation, and phase settings for 50 mm produced (c-d) more diffuse focusing and secondary hot-spot lesion formation. Red contour – 240 EM43°C; black contour - 43°C.