4.6 Article

Mueller Matrix Imaging Optimized by Uniform Illumination

期刊

FRONTIERS IN PHYSICS
卷 10, 期 -, 页码 -

出版社

FRONTIERS MEDIA SA
DOI: 10.3389/fphy.2022.931958

关键词

Mueller matrix imaging; uniform illumination; microlens array; polarization; signal-to-noise ratio

资金

  1. National Key Program of Science and Technology Supporting Economy of China [2020YFF01014500ZL]
  2. Science and Technology Research Program of Shenzhen Grant [JCYJ20200109142820687]

向作者/读者索取更多资源

In this study, a flat-field Mueller matrix imaging system is proposed to reduce reconstruction errors caused by critical illumination. By adding a beam shaping module to a traditional Mueller system, the signal-to-noise ratio of the reconstructed images is improved significantly. Experimental results demonstrate the effectiveness of the system in minimizing reconstruction errors and highlight the potential of flat-field polarization imaging in pathological diagnosis and tissue characteristic extraction.
In this study, we present a flat-field Mueller matrix imaging system to reduce the reconstruction error caused by critical illumination. This study demonstrates that the signal-to-noise ratio (SNR) of the reconstructed images is improved by about eight times by adding a beam shaping module made up of microlens arrays to a traditional Mueller system. The scalar diffraction theory and polarization numerical simulation show the ability of the new device in minimizing the adverse effects of light source noise on polarization reconstruction results. Finally, the experiment results on standard resolution board, porous anodic alumina, and real pathological slices further confirm the superiority of the flat-field Mueller system in precisely identifying sample structure and quantitative differences between various polarization parameters (depolarization ratio Delta, linear retardance delta, and birefringence orientation theta), demonstrating the potential of flat-field polarization imaging in pathological diagnosis and tissue characteristic extraction.

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