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Comparison of Voigt Fit and Fiber Orientation Modeling. Simulated spectra with [IMCL]/ [EMCL] = 0.5 were generated using different central angles and dispersions. Typical spectra are shown in Figure 3. When the spectra were analyzed using Voigt lineshape, [IMCL]/ [EMCL] was overestimated except when angular dispersion was small (upper panel). There was no effect of dispersion on the accuracy of estimated [IMCL]/ [EMCL] using the FOM algorithm (lower panel).
