Real-time phase resolved optical coherence tomography and optical Doppler tomography using optical Hilbert Transformation

Yonghua Zhao; Zhihua Ding; Hongwu Ren; Jianjun Miao; Woong Gyu Jung; J. Stuart Nelson M.D.; Zhongping Chen

doi:10.1117/12.470472

14 June 2002 Real-time phase resolved optical coherence tomography and optical Doppler tomography using optical Hilbert Transformation

Yonghua Zhao, Zhihua Ding, Hongwu Ren, Jianjun Miao, Woong Gyu Jung, J. Stuart Nelson M.D., Zhongping Chen

Author Affiliations +

Proceedings Volume 4619, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications VI; (2002) https://doi.org/10.1117/12.470472
Event: International Symposium on Biomedical Optics, 2002, San Jose, CA, United States

Abstract

We have developed a novel optical Hilbert transformation for phase-resolved optical Doppler tomographic imaging. Using a resonant scanner in the reference arm of the interferometer and the axial scanning speed of 4 kHz, the frame rate can be as high as 10 Hz for both structural and Doppler blood flow imaging 400 axial scans. The system has high sensitivity for measuring the Doppler frequency shift due to moving red blood cells. Real time images of in vivo blood flow in human skin using this interferometer are presented.

Citation Download Citation

Yonghua Zhao, Zhihua Ding, Hongwu Ren, Jianjun Miao, Woong Gyu Jung, J. Stuart Nelson M.D., and Zhongping Chen "Real-time phase resolved optical coherence tomography and optical Doppler tomography using optical Hilbert Transformation", Proc. SPIE 4619, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications VI, (14 June 2002); https://doi.org/10.1117/12.470472

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