Helical Slot Antenna for the Microwave Ablation

Figure 7

Temperature changes over time on the liver phantom: (a) start, (b) 30 sec, (c) 60 sec, (d) 90 sec, (e) 120 sec, (f) 150 sec, (g) 180 sec, and (h) 210 sec in the case of antenna without the helical slot.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)