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. 2015 Dec 1;109(11):2218–2226. doi: 10.1016/j.bpj.2015.10.014

Figure 1.

Figure 1

Principle of ISOCT. (A) A Michelson interferometry with a low temporal coherence source was used to coherently gate the backscattered light from different depths. (B) A short-time Fourier transform was used to obtain local spectral profiles by sweeping a Gaussian spectral window through the interferogram. (C) D was calculated by fitting the local spectra with a power-law function. (D) Examples of WM correlation functions at different D values, which established the power-law behavior of the backscattering spectrum. To see this figure in color, go online.