Doppler optical coherence tomography measurements in discretely swept optical frequency domain imaging

Reiko Yoshimura; Hideaki Hiro-Oka; DongHak Choi; Hiroyuki Furukawa; Naoki Fujiwara; Kohji Ohbayashi

doi:10.1117/12.764331

5 March 2008 Doppler optical coherence tomography measurements in discretely swept optical frequency domain imaging

Reiko Yoshimura, Hideaki Hiro-Oka, DongHak Choi, Hiroyuki Furukawa, Naoki Fujiwara, Kohji Ohbayashi

Proceedings Volume 6847, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XII; 68472G (2008) https://doi.org/10.1117/12.764331
Event: SPIE BiOS, 2008, San Jose, California, United States

Abstract

We describe preliminary results of high-speed 2-dimensional Doppler OCT measurement using a unique optical frequency domain imaging (OFDI) system. SSG-DBR laser is the light source from which wave number is swept discretely over predetermined absolute values in equal wave number interval with constant output intensity. Multi-sampling at each wave number enables us to reconstruct multiple images by 1 transversal scan, and the 2 dimensional flow image is reconstructed from the phase Doppler shift between 2 successive images. Maximum detectable velocity is restricted by sampling rate, which is higher than A-scan flow has been carried out with this system adopting Kasai velocity estimator. The results predict that the method is valid for stationary flow.

Citation Download Citation

Reiko Yoshimura, Hideaki Hiro-Oka, DongHak Choi, Hiroyuki Furukawa, Naoki Fujiwara, and Kohji Ohbayashi "Doppler optical coherence tomography measurements in discretely swept optical frequency domain imaging", Proc. SPIE 6847, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XII, 68472G (5 March 2008); https://doi.org/10.1117/12.764331

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