Imaging a full set of optical scattering properties of biological tissue by inverse spectroscopic optical coherence tomography

Ji Yi; Vadim Backman

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Imaging a full set of optical scattering properties of biological tissue by inverse spectroscopic optical coherence tomography

机译：通过逆光谱光学相干断层扫描对生物组织的全套光学散射特性进行成像

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We here develop a method to measure and image the full optical scattering properties by inverse spectroscopic optical coherence tomography (ISOCT). Tissue is modelled as a medium with continuous refractive index (RI) fluctuation and such a fluctuation is described by the RI correlation functions. Under the first-order Born approximation, the forward model is established for ISOCT. By measuring optical quantities of tissue including the scattering power of the OCT spectrum, the reflection albedo a defined as the ratio of scattering coefficient μ_s, and the backscattering coefficient μ_b, we are able to inversely deduce the RI correlation function and image the full set of optical scattering properties.

机译：我们在这里开发了一种通过逆光谱光学相干断层扫描（ISOCT）测量和成像完整光学散射特性的方法。将组织建模为具有连续折射率（RI）波动的介质，并且这种波动由 RI 相关函数描述。在一阶Born近似下，为ISOCT建立了前向模型。通过测量组织的光学量，包括OCT光谱的散射功率、定义为散射系数μ_s之比的反射反照率a和μ_b的后向散射系数，我们能够逆推导RI相关函数，并对全套光学散射特性进行成像。

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来源
《Optics Letters》 |2012年第21期|4443-4445|共3页
作者
Ji Yi; Vadim Backman;
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Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, USA;

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正文语种英语
中图分类计量学;
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Imaging a full set of optical scattering properties of biological tissue by inverse spectroscopic optical coherence tomography

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