Zhao, H;
Soltan, A;
Maaskant, P;
Dong, N;
Sun, X;
Degenaar, P;
(2018)
A Scalable Optoelectronic Neural Probe Architecture With Self-Diagnostic Capability.
IEEE Transactions on Circuits and Systems I: Regular Papers
, 65
(8)
pp. 2431-2442.
10.1109/TCSI.2018.2792219.
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Abstract
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 multisite 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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