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10 March 2020 Fast measurement of reflection matrix for deep imaging in highly scattering media based on optical coherence tomography (Conference Presentation)
Jing Cao, Qiang Yang, Yusi Miao, Tiancheng Huo, Yan Li, Youmin He, Jiang Zhu, Zhongping Chen
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Proceedings Volume 11253, Biomedical Applications of Light Scattering X; 112530H (2020) https://doi.org/10.1117/12.2545511
Event: SPIE BiOS, 2020, San Francisco, California, United States
Abstract
Due to the multiple scattering of light in biomedical tissue, the imaging depth of conventional optical coherence tomography is limited to 1-2 millimeters. In this research, a reflection-matrix-method-based optical coherence tomography has been developed to extend the imaging depth into scattering medium. After obtaining the matrix, singular value decomposition and imaging reconstruction are carried out in the post-process to recover the target image beneath turbid media. Specifically, in order to speed up the matrix measurement and reduce the phase noises during the acquisition process, wide-field heterodyne detection is adopted in our system by using a high-speed lock-in camera.
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Jing Cao, Qiang Yang, Yusi Miao, Tiancheng Huo, Yan Li, Youmin He, Jiang Zhu, and Zhongping Chen "Fast measurement of reflection matrix for deep imaging in highly scattering media based on optical coherence tomography (Conference Presentation)", Proc. SPIE 11253, Biomedical Applications of Light Scattering X, 112530H (10 March 2020); https://doi.org/10.1117/12.2545511
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KEYWORDS
Optical coherence tomography
Scattering media
Biomedical optics
Light scattering
Phase shifts
Scattering
Image restoration
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