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A swept-source optical coherence tomography system is used to clinically scan oral precancer and cancer patients for statistically analyzing the effective indicators of diagnosis including the signal standard deviation, spatial-frequency spectral shape, and epithelium thickness.
We report the measurement of hemoglobin oxygen saturation level in human blood with a spectroscopic spectral-domain optical coherence tomography system based on the cross-over behavior of Hb and HbO2 absorption coefficients around 800 nm.
Incorporating with a flexible-holder probe, a time-domain optical coherence tomography system is built to achieve 7 microns in axial resolution, 80-90 dB in sensitivity, and sub-sec imaging rate for clinical oral cancer diagnosis.
We demonstrate a spectral-domain optical coherence tomography system, including a broadband frequency sweeping light source with the central wavelength around 1250 nm, to achieve an axial resolution of 2.4 mum in tissue.
We use an optical coherence tomography system with a specially designed probe to image the structures of tissues within the oral cavity for the diagnosis of oral precancer and cancer. Various types of oral mucosa, such as gingiva and buccal mucosa, normal and abnormal, can be well distinguished
We demonstrate a novel method for dynamically and effectively compensating the fundamental and higher-order dispersion mismatches in an optical coherence tomography system based on multiple scans of sliced spectral bands and software process.
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