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A Biosafety Comparison Between Capacitive and Inductive Coupling in Biomedical Implants
Abstract
This letter investigates the link efficiencies and ensuing biohazards when capacitive versus inductive coupling is used to power biomedical implants electromagnetically. Electromagnetic simulations illustrate that the power link efficiency of capacitive coupling decays slower as a function of the distance between plates compared to inductive coupling. Specifically, the case designs show that, using a transmitted power of 1 W at 5 MHz, capacitive coupling produces a 10-g averaged SAR value of 1.63 W/kg compared to 2.39 W/kg for an inductive coupling of the same dimension.
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“Specifically, at a transmitted power of 1 W and a frequency of 5 MHz, capacitive coupling resulted in a 10-g averaged SAR (Specific Absorption Rate) value of 1.63 W/kg, lower than the 2.39 W/kg seen in inductive coupling of similar dimensions (Al-Kalbani et al., 2014).”
From Comparative analysis of energy transfer mechanisms for neural implants (2024) · cites this paper as Al-Kalbani et al., 2014
In the citing paper
“A recent study investigated link efficiencies and potential biohazards, revealing that capacitive coupling decays more slowly in power link efficiency as a function of plate distance compared to inductive coupling.”
From Comparative analysis of energy transfer mechanisms for neural implants (2024) · cites this paper as Al-Kalbani et al., 2014
Citations
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Self-citation
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Metadata
- Authors
- Al-Kalbani, A. I., Yuce, M. R., & Redoute, J.-M.
- Affiliations
- Monash University (AU)
- ORCID
- Yuce, Mehmet R.
- Venue
- IEEE Antennas and Wireless Propagation Letters
- Published
- 2014
- Volume
- 13
- Pages
- 1168-1171
- ISSN
- 1536-1225 (ISSN-L)
- 1548-5757
- OpenAlex
- W2109992268
- Cited by
- 69
- References
- 7
- Citations by year
- 2026: 4 · 2025: 5 · 2024: 5 · 2023: 7 · 2022: 12 · 2021: 7 · 2020: 4 · 2019: 7 · 2018: 6 · 2017: 6 · 2016: 3 · 2015: 3
- FWCI
- 2.13
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- IEEE Antennas and Wireless Propagation Letters (publishedVersion)
- ORBi (University of Liège) (submittedVersion)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Wireless Power Transfer Systems
- Physical Sciences › Engineering › Biomedical Engineering › Wireless Body Area Networks
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Electromagnetic Fields and Biological Effects
- Keywords
- capacitive coupling, inductive coupling, biomedical implants, link efficiency, specific absorption rate, biological hazards, electromagnetic simulation
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