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. Author manuscript; available in PMC: 2020 Jan 16.
Published in final edited form as: IEEE Trans Biomed Circuits Syst. 2018 Jul 16:10.1109/TBCAS.2018.2852267. doi: 10.1109/TBCAS.2018.2852267

Fig. 11.

Fig. 11.

The optical characteristics of the μLEDs on the fabricated μLED optoelectrode showing (a) average e vs. I curve (n = 7) and (b) the normalized spectral radiant flux of the μLED at different forward current (with the spectral response of ChR2).