101864.fig.001a
(a) FTIR
101864.fig.001b
(b) Raman
101864.fig.001c
(c) CARS
Figure 1: Schematic experimental arrangements for (a) Fourier transform infrared (FTIR) spectroscopy, (b) Raman spectroscopy, and (c) coherent anti-Stokes Raman scattering (CARS) microscopy and spectroscopy.