Fig. 1. Schematic diagram of optic fiber probe arrangement

Fig. 1. Schematic diagram of non-invasive blood glucose detection system

Fig. 2. Average optical path length of the photon in the dermis (L) of the human forearm under the source-detector distance of the system

Fig. 3. The variance of absorbance change(a)subject 1(maximum change in blood glucose concentration: 5.4 mmol·L^-1); (b)subject 2(maximum change in blood glucose concentration: 6.6 mmol·L^-1); (c)subject 3(maximum change in blood glucose concentration: 5.5 mmol·L^-1)

Fig. 4. Variance of differential absorbance change (a) subject 1(maximum change in blood glucose concentration: 5.4 mmol·L^-1); (b) subject 2 (maximum change in blood glucose concentration: 6.6 mmol·L^-1); (c) subject 3(maximum change in blood glucose concentration: 5.5 mmol·L^-1)