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. Author manuscript; available in PMC: 2010 Mar 9.
Published in final edited form as: Conf Proc IEEE Eng Med Biol Soc. 2009;2009:6387–6390. doi: 10.1109/IEMBS.2009.5333876

Fig. 9.

Fig. 9

Variations of the power transfer efficiency with coupling distance at 13.56 MHz for three sets of PSCs in Table II optimized for (a) air, (b) saline, and (c) muscle environments.