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Lookup NU author(s): Nabeel Fattah, Dr Soumyasanta Laha, Dr Danil Sokolov, Dr Graeme Chester, Professor Patrick Degenaar
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In this paper, the wireless data and power transfer for a novel optogenetic visual cortex implant system was demonstrated by using pork tissue mimic in-vitro at the ISM 2.4 GHz and 13.5 MHz frequency band respectively. The observed data rate was 120 kbps with no loss in data for up to a thickness of 35 mm in both water & pork. To increase the power level of the implant a Class E power amplifier is separately designed and simulated for the transmitter end and has an output power of around 223 mW with an efficiency of 81.83%. The transferred power at the receiver was measured to be 66.80 mW for the pork tissue medium considering a distance of 5 mm between the transmitter and the receiver coils, with a coupling coefficient of similar to 0.8. This serves the power requirement of the visual cortex implant.
Author(s): Fattah N, Laha S, Sokolov D, Chester G, Degenaar P
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Year of Conference: 2015
Pages: 8006-8009
Print publication date: 01/01/2015
Acceptance date: 01/01/1900
ISSN: 1094-687X
Publisher: Institute of Electrical and Electronics Engineers
URL: http://dx.doi.org/10.1109/EMBC.2015.7320250
DOI: 10.1109/EMBC.2015.7320250
