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Multiple windows processing scheme for the Fourier-domain low-coherence interferometry spectral optical coherence tomography (OCT) and
Multiple windows processing scheme for the Fourier-domain low-coherence interferometry spectral optical coherence tomography (OCT) and
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机译:傅里叶域低相干干涉光谱光学相干断层扫描(OCT)的多窗口处理方案和
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摘要
Current apparatuses and methods for analysis of spectroscopic optical coherence tomography (SOCT) signals suffer from an inherent tradeoff between time (depth) and frequency (wavelength) resolution. In one non-limiting embodiment, multiple or dual window (DW) apparatuses and methods for reconstructing time-frequency distributions (TFDs) that applies two windows that independently determine the optical and temporal resolution is provided. For example, optical resolution may relate to scattering information about a sample, and temporal resolution may be related to absorption or depth related information. The effectiveness of the apparatuses and methods is demonstrated in simulations and in processing of measured OCT signals that contain fields which vary in time and frequency. The DW technique may yield TFDs that maintain high spectral and temporal resolution and are free from the artifacts and limitations commonly observed with other processing methods.
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