Citation:Zhao, H., Soltan, A., Maaskant, P., Dong, N., Sun, X. and Degenaar, P. (2018) 'A Scalable Optoelectronic Neural Probe Architecture With Self-Diagnostic Capability', IEEE Transactions on Circuits and Systems I: Regular Papers, In Press, PP(99), pp. 1-12. doi: 10.1109/TCSI.2018.2792219
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 miniaturization. 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 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.
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