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. Author manuscript; available in PMC: 2011 May 12.
Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2011 Jan 23;7896(1):789609. doi: 10.1117/12.875145

Figure 5.

Figure 5

Broadband spectra of optical signals measured (a) on a tissue-like phantom as a result of pushing the detector fiber by 250 µm into the phantom in a contact configuration, and on subject 6 (b) as a result of pushing the detector fiber by 125 µm into the skin in a contact configuration. Broadband spectra are also shown at the point of maximal optical response to median nerve stimulation under conditions of (c) fiber-skin contact and no visible hand motion, and (d) no contact between optical fiber and skin, and visible stimulation-induced hand motion.