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The influence of the surroundings on the interaction between electromagnetic (EM) waves and biological tissue is examined by schematizing the environment by a perfectly conducting screen placed beyond the irradiated tissue. The effects of standing waves, which are created in this situation, are determined as a function of the electrical and geometrical parameters of the structure. In particular, the hazard increase due to the presence of the screen combined with a phase disuniformity of the incident field--an elementary schematization of the "near-field"--is pointed out.
Microwave Theory and Techniques, IEEE Transactions on (Volume:24 , Issue: 9 )
Date of Publication: Sep 1976