1. Articles from Xiupin Wu

    1-3 of 3
    1. All single-mode fiber-based polarization-sensitive spectral domain optical coherence tomography system

      All single-mode fiber-based polarization-sensitive spectral domain optical coherence tomography system

      We reported an all single-mode fiber (SMF)-based polarization sensitive spectral domain optical coherence tomography (PSSDOCT) system with single input polarization state (IPS). In our design, polarization state was modulated only by four polarization controllers (PC) and a polarization beam splitter. To extract the phase retardance and optical axis orientation of sample, the Mueller matrix of the fiber system and sample is transferred to a new retardar by employing PCs with the advantage that the effects of fiber birefringence of SMFs and SMF components are corrected. The contribution of the multibackscattering in tissues to the orthogonal polarization interference signals is ...

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    2. Quantitative measurement of subsurface damage with self-referenced spectral domain optical coherence tomography

      Quantitative measurement of subsurface damage with self-referenced spectral domain optical coherence tomography

      In this work, we present the three-dimensional reconstruction of the subsurface damage (SSD) within the optical components at the level of several microns with a self-referenced spectral domain optical coherence tomography (SDOCT) system, from which the quantitative information, including the maximum depth, the cluster depth, the shape, the size and the damage density, can be acquired. First, to compare the actual maximum depths with the ones computed by the formulas for predicting the maximum depth, the theoretical and empirical formulas proposed so far were summarized. The values of the maximum depths of SSD within eight samples were then measured. It ...

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    3. Dispersion analysis in micron resolution spectral domain optical coherence tomography

      Dispersion analysis in micron resolution spectral domain optical coherence tomography

      One of the main factors that limits the effective axial resolution of spectral domain optical coherence tomography in live tissue imaging is tissue-induced dispersion. In this work, first the methods are reviewed that have been proposed to compensate for the dispersion effects in various applications. Simple formulas are then derived that can be used to estimate the orders of the dispersion that may have significant influences. The formulas are then used to calculate relative contributions of various dispersion orders to the decrease of the axial resolution, in which the dispersion properties of water were employed as a first approximation to ...

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    1-3 of 3
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    1. (3 articles) Nanjing University of Science and Technology
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