首页> 外文会议>Conference on Photon Migration and Diffuse - Light Imaging; Jun 22-23, 2003; Munich, Germany >Resolution of a diffusion equation describing the acousto-optical interaction in scattering media
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Resolution of a diffusion equation describing the acousto-optical interaction in scattering media

机译:描述散射介质中声光相互作用的扩散方程的分辨率

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The principle of acousto-optic imaging is to combine coherent light and ultrasound in biological tissues to detect optical contrasts with a spatial resolution close to that of echography. Here we propose a model to describe the propagation of acoustically modulated light in a scattering medium. To do so. we derive a correlation diffusion equation from a correlation transport equation making a few approximations. We express solutions of this diffusion equation and compare them with Monte Carlo simulations in the case of uniform and localized insonifications.
机译:声光成像的原理是将生物组织中的相干光和超声结合起来,以接近空间分辨率的技术检测光学对比。在这里,我们提出了一个模型来描述声调制光在散射介质中的传播。为此。我们从相关输运方程得出几个近似值,从而得出相关扩散方程。我们表示此扩散方程的解,并将它们与一致和局部声化情况下的蒙特卡洛模拟进行比较。

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