A Scalable Optoelectronic Neural Probe Architecture with Self-Diagnostic Capability

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Author(s)Zhao Hubin, Soltan Ahmed, Maaskant Pleun, Dong Na, Sun Xiaohan, Degenaar Patrick
Publication type Article
JournalIEEE Transactions on Circuits and Systems I - Regular papers
Pagese-pub ahead of print
ISSN (print)1549-8328
ISSN (electronic)1558-0806
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There is a growing demand for the development of new types of implantable optoelectronics to support both basic neuroscience and optogenetic treatments for neurological disorders. Target specification requirements include multi-site optical stimulation, programmable radiance profile, safe operation, and miniaturisation. It is also preferable to have a simple serial interface rather than large numbers of control lines. This paper demonstrates an optrode structure comprising of a standard Complementary Metal-Oxide-Semiconductor (CMOS) process with 18 optical stimulation drivers. Furthermore, diagnostic sensing circuitry is incorporated to determine the long-term functionality of the photonic elements. A digital control system is incorporated to allow independent multisite control and serial communication with external control units.
PublisherInstitute of Electrical and Electronics Engineers
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