Figure 9: Comparison of absorbance (%) for white light, spectra A and spectra B modes tested for a 100, 200 and 300 μm thick scattering layer above a blood filled capillary. Significant differences are indicated with a *. The error bars in Figure 9 represents the standard deviation of the normalized intensity profile within a region of interest at each depth location. For explanation see paragraph ‘SPIES Spectra A and B vs White light’.