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. Author manuscript; available in PMC: 2014 Feb 26.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2013 Feb 26;8584:10.1117/12.2003976. doi: 10.1117/12.2003976

Figure 4.

Figure 4

A) Photo of experimental phantom model for determining radiometer sensitivity in a temperature-controlled variable volume “kidney” or “BAT” region located at variable depth in circulating muscle tissue-equivalent phantom at a separately controlled temperature. B) Diagram of associated computer model of variable size (2–6 ml) BAT region located beneath 1.5mm of skin and 1cm white fat tissue. The computer model was used during optimization of the antenna design to maximize received energy from a small sub-surface BAT depot. The experimental model was used to validate the computer simulation results and to quantify sensitivity of the radiometric sensors.