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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Infrared Phys Technol. 2013 Apr 18;60:108–117. doi: 10.1016/j.infrared.2013.04.002

Figure 3.

Figure 3

(A – C) Ablative HIFU exposure with focus placed at the surface: Zoomed-in images of the first 2.4 s in Fig. 2 showing (A) IR images of the surface temperature T (°C), (B) images of the rate of temperature change ∂T/∂t (°C/s), and (C) processed bright-field images of the tissue surface showing lesion formation. The red line indicates the lesion boundary. (D – E) Non-ablative HIFU exposure with focus placed at the surface: The first 2.4 s during a non-ablative HIFU exposure (283 W/cm2, 5 s duration) showing (D) IR images of T (°C) and (E) images of ∂T/∂t (°C/s).