Table 1. OCE simulation inputs and parameters.

OCE system properties		Sample properties	Simulation parameters
Optical		Structural	Discretization
λ0,	light source free-space mean wavelength	Sample geometry	δzi/δxi, axial/lateral spacing of the initial positions of the scattering potentials
Δλ,	source 3-dB bandwidth
f0,	objective lens free-space focal length	Optical	δzj/δxj, axial/lateral spacing of sampling points in the simulated OCT scans
R,	1/e radius of irradiance of the beam before the objective	n, sample group refractive index Map of relative scatterer densities	Spacing between the vertices of the FEM mesh
σ2,	variance (power) of the optical shot-noise	µt(x, y, z), map of attenuation
Mechanical		Mechanical	OCE processing
Surface friction		Poisson’s ratio	Axial fitting range for WLS regression [3]
Applied load		Map of Young’s modulus