Utilize este identificador para referenciar este registo: http://hdl.handle.net/1822/54264

TítuloPerformance assessment of wireless power transfer links for implantable microsystems
Autor(es)Dinis, H.
Mendes, P. M.
Palavras-chaveImplantable device
Wireless power transfer
Human body phantom
Antenna characterization
Resumo(s)Wireless power transfer is a hot topic due to the growth of implanted device solutions which, as they get smaller and smarter, demand new solutions to power them up. These solutions need to keep the power level, namely SAR (specific absorption ratio) below a determined safety standard and to allow the device to be as small as possible. Current fabrication techniques allow the creation of ultra-small 3D antennas integrated on silicon wafers, which can lead to the miniaturization of implantable devices due to the possible reduction or even elimination of battery size. To evaluate this possibility, the antenna must be tested in conditions close to real working conditions, requiring the use of human body phantoms. This paper proposes a solution to measure the power received by an ultra-small antenna placed inside a phantom, without the use of coaxial cables attached to the device. Instead, an optoelectronic mechanism is used to route the received power to an optical fiber, and an optical spectrum analyzer is used to measure the received power.
Arbitragem científicayes
Aparece nas coleções:DEI - Artigos em atas de congressos nacionais

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