An optimizing procedure of the wireless power transfer link for an intraocular implantable device

Z Miao, D Liu, C Gong - 2015 8th International Conference on …, 2015 - ieeexplore.ieee.org
Z Miao, D Liu, C Gong
2015 8th International Conference on Biomedical Engineering and …, 2015ieeexplore.ieee.org
This paper presents a design method and results of prototyping for the wireless power
transfer (WPT) link used in intraocular implantable devices. In this kind of applications, the
coil size is constrained strictly, which makes it hard to find an efficient configuration by only
changing the coil geometry. Therefore, in our design, we took frequency into account as
another design dimension to expand the design margin. We set up a WPT design flow using
a novel scope of matching network and taking frequency as a variable parameter. Finally …
This paper presents a design method and results of prototyping for the wireless power transfer (WPT) link used in intraocular implantable devices. In this kind of applications, the coil size is constrained strictly, which makes it hard to find an efficient configuration by only changing the coil geometry. Therefore, in our design, we took frequency into account as another design dimension to expand the design margin. We set up a WPT design flow using a novel scope of matching network and taking frequency as a variable parameter. Finally, we obtained a WPT coupling efficiency up to 63.9%.
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