Infrared absorption spectroscopy of lipid layers was performed by combining optics and scanning probe microscopy. This experimental approach enables sub-diffraction IR imaging with a spatial resolution on the nanometer scale of 1, 2-dioleoyl-sn-glycero-3-phosphocholine lipid layers.
Keywords: (300.6340) Spectroscopy, infrared; (310.6628) Subwavelength structures, nanostructures; (350.5340) Photothermal effects.