Research Article
Determination of Bolus Dielectric Constant for Optimum Coupling of Microwaves through Skin for Breast Cancer Imaging
Figure 6
Low-frequency detail of Figure 5, for 400 MHz (solid curves), 900 MHz (dotted curves), and 1.3 GHz (dashed curves) reflection magnitude contours of 0.25, 0.4, and 0.55. Labeled points indicate particular bolus fluids: W1: water at 300 MHz, W2: water at 3 GHz, S1: 0.1 molal saline at 300 MHz, S2: 0.1 molal saline at 3 GHz, S3: 0.3 molal saline at 300 MHz [16], S4: 0.15 molal (0.9%) saline at 900 MHz, G1: glycerin/water at 900 MHz, G2: glycerin/water at 900 MHz, G3: glycerin/water at 900 MHz, G4: glycerin/water at 1.3 GHz, and G5: glycerin/water at 1.3 GHz [11].
