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. Author manuscript; available in PMC: 2015 Jan 15.
Published in final edited form as: Neuroimage. 2013 Jun 28;85(0 1):10.1016/j.neuroimage.2013.06.062. doi: 10.1016/j.neuroimage.2013.06.062

Fig. 1.

Fig. 1

LED source and electro-optical sensor developed for the wearable miniaturized NIRS system. Left: dual wavelength LED source in customized enclosure on fabric cap from (a) above and (b) below. Right: (c) photograph and (d) schematic of the detector probe. A plastic optical fiber light guide couples the light re-emitted from the head to a Silicon photo diode (Si-PD) with amplifier.