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Analyzing spatial correlations in tissue using angle-resolved low coherence interferometry measurements guided by

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  • 1Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA.

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This study introduces a 2D angle-resolved low coherence interferometry (a/LCI) system integrated with optical coherence tomography (OCT) imaging. This dual-modality approach enhances nuclear morphology measurements by providing crucial orientation guidance, overcoming a/LCI

Keywords:
(120.3180) Interferometry(290.0290) Scattering(290.3200) Inverse scattering(290.5820) Scattering measurements

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Area of Science:

  • Biomedical Optics
  • Optical Metrology
  • Tissue Imaging

Background:

  • Angle-resolved low coherence interferometry (a/LCI) measures in situ nuclear morphology.
  • a/LCI lacks inherent imaging capabilities, leading to potential orientation ambiguity relative to tissue architecture.
  • Accurate nuclear morphology assessment is critical for understanding tissue health and disease.

Purpose of the Study:

  • To develop and characterize a 2D a/LCI system integrated with optical coherence tomography (OCT) imaging.
  • To improve the accuracy and reliability of nuclear morphology measurements by providing orientation guidance.
  • To demonstrate the utility of this dual-modality approach through example cases.

Main Methods:

  • Integration of a 2D a/LCI system with OCT imaging.
  • System design and comprehensive characterization of the combined setup.
  • Application of the dual-modality system to measure nuclear morphology in biological tissues.

Main Results:

  • Successful development and characterization of the integrated 2D a/LCI-OCT system.
  • Demonstration of guided a/LCI measurements, reducing ambiguity in nuclear morphology assessment.
  • Example cases showcasing the enhanced utility of the combined optical techniques.

Conclusions:

  • The integrated 2D a/LCI-OCT system effectively guides nuclear morphology measurements.
  • This dual-modality approach overcomes limitations of a/LCI alone, improving measurement accuracy.
  • Future applications in various biomedical fields are anticipated for this enhanced optical technique.