扫描源OCT在1300纳米与角度复合为艺术和考古保护

Canterbury Workshop and School in Optical Coherence Tomography and Adaptive Optics Pub Date : 2008-12-30 DOI:10.1117/12.816222

M. Hughes, D. Jackson, A. Podoleanu

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引用次数: 2

摘要

我们组装了一个扫描源光学相干断层扫描(OCT)系统，用于艺术和考古保护。该系统由内部扫光光源照明，中心波长为1300nm。该系统包括专用光学器件，允许角度平均，以减少散斑噪声。我们证明，平均产生显著改善斑点信噪比在艺术和考古类型的对象，并允许更容易地识别特征。我们进一步证明，实际上没有轴向分辨率的损失。

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A swept source OCT at 1300 nm with angular compounding for art and archaeological conservation

We have assembled a swept source optical coherence tomography (OCT) system for use in Art & Archaeological Conservation. The system is illuminated by an in-house swept source with a central wavelength of 1300 nm. This system includes dedicated optics to allow for angular averaging for speckle noise reduction. We demonstrate that the averaging produces significant improvements in speckle SNR in art and archaeological type objects and allows easier identification of features. We further demonstrate that there is practically no loss of axial resolution.

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Canterbury Workshop and School in Optical Coherence Tomography and Adaptive Optics

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