Fig. 20
From: Mid-infrared supercontinuum generation in chalcogenide glass fibers: a brief review
Comparison between a the confocal image of the H&E stained tissue section with identification of the various histological regions, b transmission image of the unstained sample at visible light, c, d MIR absorbance images of the protein rich amide regions highlighting the nuclear regions of the colonic crypts, e the mucin secretions and surface epithelial walls, and f Composite image showing the spectral-spatial mapping of c–e (Adapted with permission from [10], copyright the Optical Society)