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Updated: Jun 27, 2025
Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy
Published on: September 8, 2023
Complex Spatial Illumination Scheme Optimization of Backscattering Mueller Matrix Polarimetry for Tissue Imaging and
Wei Jiao1, Zheng Zhang1, Nan Zeng1
1Guangdong Research Center of Polarization Imaging and Measurement Engineering Technology, Shenzhen Key Laboratory for Minimal Invasive Medical Technologies, Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China.
This study analyzes aberrations in Mueller matrix polarimetry caused by complex illumination of uneven tissue surfaces. It offers strategies to select illumination schemes and adjust angles for accurate optical biosensing and quantitative tissue imaging.
Area of Science:
- Optical imaging
- Biomedical optics
- Polarization imaging
Background:
- Mueller matrix polarimetry (MMP) offers rich microstructural information for biomedical applications.
- Polarimetric aberrations arise from uneven sample surfaces and complex illumination, impacting accuracy.
- Accurate polarization property characterization is crucial for tissue analysis.
Purpose of the Study:
- To analyze aberrations induced by complex spatial illumination in Mueller matrix imaging.
- To provide guidance on selecting illumination schemes for specific polarization properties.
- To develop strategies for mitigating polarimetric aberrations in tissue imaging.
Main Methods:
- Measurement of backscattering Mueller matrices from phantom and tissue samples.
- Analysis of aberrations under various complex spatial illumination schemes.
- Investigation of incident and detection angle adjustments to reduce aberrations.
Main Results:
- Detailed characterization of illumination-induced polarimetric aberrations.
- Identification of optimal spatial illumination schemes for specific polarization measurements.
- Demonstration of aberration mitigation through angle adjustments.
Conclusions:
- Optimized schemes provide criteria for non-collinear backscattering MMP measurements.
- Strategies enhance quantitative tissue polarimetric imaging and biosensing accuracy.
- Findings support the advancement of optical biosensing technologies.
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