| Popis: |
In this paper, we introduce a global power spectrum model to describe the fluctuations of the refractive index both in turbulent biological tissue and in a turbulent marine environment. Based on the extended Huygens-Fresnel diffraction integral, the propagation of partially coherent Generalized Flattened Hermite Cosh-Gaussian (GFHChG) beam in turbulent biological tissue is investigated using the proposed power spectrum. Numerical examples are illustrated with various source parameters to describe the evolution of the laser beam in biological tissue. The GFHChG beam exhibits different beam profiles upon propagation in turbulent biological tissue, reaching a Gaussian shape, as the incident beam parameters are smaller. A comparison of the beam comportment in two biological tissues is also given. The obtained results can be useful for the development of technologies used in the biological tissue. |
