Lookup NU author(s): Hubin Zhao,
Dr Danil Sokolov,
Dr Patrick Degenaar
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© 2014 IEEE. One of the key challenges in the optogenetic field is to develop novel optical delivery devices that have the feasibility for implantable neural stimulation. In this paper, a CMOS-Gallium Nitride based optrode is proposed for neural stimulation with optogenetic methodology. The optrode base unit has been designed in a X-Fab 0.35um CMOS process and consists of control and sensing circuitry and six stimulation centres. Each centre has connection points for connecting three micro light emitting diodes (LEDs) to achieve local light delivery. In addition, we develop a self-diagnostic function to monitor working condition of LEDs in real time. This strategy highly improves the reliability and safety of the optrode for implantable applications.
Author(s): Zhao H, Sokolov D, Degenaar P
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: IEEE Biomedical Circuits and Systems Conference, (BioCAS)
Year of Conference: 2014
Online publication date: 11/12/2014
Acceptance date: 01/01/1900
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