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Analysis of the spatial intensity distribution of a CW laser light through tissue-like turbid media
Journal of Modern Optics ( IF 1.3 ) Pub Date : 2021-02-03 , DOI: 10.1080/09500340.2021.1879298
Yuhu Ren 1 , Jimo Jian 2 , Jing Wang 1 , Cunguang Zhu 1 , Wei Xia 1
Affiliation  

We analyze the two-dimensional spatial intensity distribution of a CW laser light with Gaussian profile through tissue-like turbid media via calculation and experiment. The results show that the spatial intensity distribution of laser depends on the scattering coefficient, absorption coefficient, and the anisotropy factor of the turbid media. The full width at half maximum (FWHM) of the normalized intensity of the light spatial intensity distribution increases with an increase of the scattering coefficient. But the FWHM of the spatial intensities’ distribution of the CW laser light through turbid media does not increase monotonously with an increase of the anisotropy factor. Besides, the spatial intensity distribution is dependent on the absorption coefficient when considering a given scattering coefficient. The two-dimensional spatial intensity distribution narrows with an increase of absorption coefficient. As one of the potential applications, we finally perform an experiment to image an object hidden behind a turbid medium.



中文翻译:

通过组织状混浊介质分析连续波激光的空间强度分布

通过计算和实验,通过组织状浑浊介质分析了具有高斯分布的连续波激光的二维空间强度分布。结果表明,激光的空间强度分布取决于混浊介质的散射系数,吸收系数和各向异性因子。光空间强度分布的归一化强度的半峰全宽(FWHM)随着散射系数的增加而增加。但是随着各向异性因子的增加,CW激光通过混浊介质的空间强度分布的FWHM不会单调增加。此外,当考虑给定的散射系数时,空间强度分布取决于吸收系数。二维空间强度分布随着吸收系数的增加而变窄。作为潜在的应用之一,我们最终进行了一项实验,以对隐藏在浑浊介质后面的物体成像。

更新日期:2021-02-10
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