Investigation of the near‐field behaviour and SAR for the resonant loop antenna operating at 434 MHz for medical applications | Zendy

Gerbaux N. A. X. | Zendy; Glowacki J. | Zendy; Ammann M. J. | Zendy; Thorne V. P. | Zendy

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Investigation of the near‐field behaviour and SAR for the resonant loop antenna operating at 434 MHz for medical applications

Author(s) -

Gerbaux N. A. X.,

Glowacki J.,

Ammann M. J.,

Thorne V. P.

Publication year - 2005

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.21240

Subject(s) - specific absorption rate , loop antenna , loop (graph theory) , antenna (radio) , microwave , antenna tuner , impedance matching , physics , field (mathematics) , near and far field , electrical impedance , acoustics , matching (statistics) , electromagnetic field , optics , computational physics , electrical engineering , electronic engineering , engineering , antenna measurement , antenna factor , telecommunications , mathematics , combinatorics , pure mathematics , statistics , quantum mechanics

The resonant loop antenna is examined in terms of its near‐field behaviour. It is shown that the near‐field wave‐impedance varies considerably across the loop diameter. This has a significant effect on the matching to the human body and specific absorption rate. An uneven SAR distribution is observed in a body model. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 47: 597–599, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21240

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