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Disposable MEMS optrode array integrated with single LED for neurostimulation

Title
Disposable MEMS optrode array integrated with single LED for neurostimulation
Authors
Yoo, SunghyunLee, HongkyunJun, Sang BeomKim, Yong-KweonJi, Chang-Hyeon
Ewha Authors
지창현
SCOPUS Author ID
지창현scopus
Issue Date
2018
Journal Title
SENSORS AND ACTUATORS A-PHYSICAL
ISSN
0924-4247JCR Link
Citation
vol. 273, pp. 276 - 284
Keywords
NeurostimulationLight Emitting Diode (LED)Neural probeOptrode
Publisher
ELSEVIER SCIENCE SA
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We present an LED-waveguide-based neural probe array with the highest total light power delivery from a single commercial LED. A separable configuration between the LED and the waveguide has been proposed and verified experimentally for a disposable probe tip. The system comprises of a disposable MEMS optrode array and a reusable unit. The optrode array consists of a 4 x 4 array of 6 mm-long optical fibers assembled with thermally reflowed square-shaped glass microlenses. The reusable unit includes a domed top LED and driving circuitry. Measured light delivery efficiency of the optrode array and the total power efficiency of the probe were -10.6 dB and -21.6 dB, respectively. (C) 2018 Elsevier B.V. All rights reserved.
DOI
10.1016/j.sna.2018.02.039
Appears in Collections:
엘텍공과대학 > 전자공학과 > Journal papers
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