BM-mode scanning with parabolic phase modulation for full range Doppler optical tomography

Franck Jaillon; Shuichi Makita; Yoshiaki Yasuno

doi:10.1117/12.840449

19 February 2010 BM-mode scanning with parabolic phase modulation for full range Doppler optical tomography

Franck Jaillon, Shuichi Makita, Yoshiaki Yasuno

Proceedings Volume 7554, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XIV; 755413 (2010) https://doi.org/10.1117/12.840449
Event: SPIE BiOS, 2010, San Francisco, California, United States

Abstract

Monitoring retinal vessel flow properties may aid the screening and the treatment of eye pathologies. We propose to extend the full range ability of the BM-mode scanning technique to high flow structures. The major difference of the proposed method resides in the utilization of a parabolic phase modulation in the reference arm along the B-scan direction. This enables to suppress artifacts generated by the mirror image removal of large velocity structures. We imaged the retina using 1ìm spectral-domain optical coherence tomography and show that this technique enables to have phase-resolved Doppler image where artifacts provoked by high flow vessels are removed. This improvement may help retinal blood flow imaging.

Citation Download Citation

Franck Jaillon, Shuichi Makita, and Yoshiaki Yasuno "BM-mode scanning with parabolic phase modulation for full range Doppler optical tomography", Proc. SPIE 7554, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XIV, 755413 (19 February 2010); https://doi.org/10.1117/12.840449

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