Abstract

The influences of the absorption μa, the scattering μs, and the anisotropy coefficient g on the optical properties of ultrashort pulse in turbid media has been simulated based on the diffusive approximation theory. The laser pulse intensity will be attenuated and the diffusive scattering pulse shape will be widened in the turbid media. Various medium parameters have different influences on the reflection of the laser pulse. The intensity loss of the diffusive reflection light is obtained when μa and μs are increased in turbid media. The pulse width of the diffusive reflection pulse is rapidly increased far away from the incident point and at the same time the pulse times that are delayed have been numerical simulated in the boundary conditions of semi-infinite homogenous media.

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