17 February 2017 Multi-beam optical coherence tomography for microvascular imaging of human skin in vivo
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Abstract
In this paper, a multi-beam optical coherence tomography (OCT) was used to reconstruct the microvascular image of human skin in vivo with phase resolved Doppler OCT (PRDOCT), phase resolved Doppler variance (PRDV) and speckle variance OCT (svOCT), in which the blood flow image was calculated by averaging the four blood flow images obtained by the four beams. In PRDOCT method, it is difficult to detect the blood flow perpendicular to optical axis of the probe beam for single beam OCT, but the multi-beam scanning method can solve this because the input angles of the four probe beams are slightly different from each other. The proposed method can further improve the signal-to-noise ratio (SNR) of the blood flow signals extracted by the three methods mentioned above.
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Chaoliang Chen, Chaoliang Chen, Kyle H. Y. Cheng, Kyle H. Y. Cheng, Raphael Jakubovic, Raphael Jakubovic, Jamil Jivraj, Jamil Jivraj, Joel Ramjist, Joel Ramjist, Ryan Deorajh, Ryan Deorajh, Wanrong Gao, Wanrong Gao, Victor X. D. Yang, Victor X. D. Yang, } "Multi-beam optical coherence tomography for microvascular imaging of human skin in vivo", Proc. SPIE 10070, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXIV, 1007017 (17 February 2017); doi: 10.1117/12.2250739; https://doi.org/10.1117/12.2250739
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