用于光谱域光学相干断层扫描的无校准波长线性化装置。

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-07-10 DOI:10.1111/jmi.13345

Xiupin Wu, Wanrong Gao, Zhiyuan Qiu, Chunyou Wang

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引用次数: 0

摘要

在光谱域光学相干断层成像（SDOCT）中，波数非线性会导致重建图像模糊。在这项工作中，基于相邻峰谷点的相位差等于 π $\pi $ 这一事实，提出了一种无需校准设备的文波数线性化方法。推导出了理论模型，并通过获取二氧化钛模型和斑马鱼的 SDOCT 数据证明了该方法的有效性。结果表明我们的方法性能优越。与基于线性相位的方法相比，分辨率至少提高了 2 倍；与多项式拟合方法相比，分辨率也提高了近一半。

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The wavenumber linearisation without calibration device for spectral-domain optical coherence tomography

The wavenumber nonlinearity leads to blurred reconstructed images in spectral-domain optical coherence tomography (SDOCT). In this work, a wavenumber-linearisation method without calibration devices is presented, based on the fact that the difference between the phases of adjacent peak and valley points is equal to $π$ . The theoretical model is derived, and the efficacy of the method was proven by acquiring SDOCT data from TiO₂ phantom and zebrafish. The results exhibit the superior performance of our method. Compared with the linear phase-based method, the resolution could be improved at least a factor of 2. Compared with the polynomial fitting method, the resolution could also be improved by nearly half.

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.