High-speed full-range Fourier domain optical coherence tomography by simultaneous B-M-mode scanning

Yoshiaki Yasuno; Shuichi Makita; Takashi Endo; Gouki Aoki; Masahide Itoh; Toyohiko Yatagai

doi:10.1117/12.589061

13 April 2005 High-speed full-range Fourier domain optical coherence tomography by simultaneous B-M-mode scanning

Yoshiaki Yasuno, Shuichi Makita, Takashi Endo, Gouki Aoki, Masahide Itoh, Toyohiko Yatagai

Proceedings Volume 5690, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX; (2005) https://doi.org/10.1117/12.589061
Event: SPIE BiOS, 2005, San Jose, CA, United States

Abstract

High speed complex full-range Fourier domain optical coherence tomography (FD-OCT) is demonstrated. In this FD-OCT phase modulation of a reference beam (M-scan) and transversal scanning (B-scan) are performed simultaneously. Because of this simultaneous BM-scan, this FD-OCT requires only a single A-scan for each single transversal position. The Fourier transform method is applied along the direction of the B-scan to reconstruct complex spectra, and the complex spectra compose a full-range OCT image. A simple but slow version of this FD-OCT visualizes the cross-section of a plastic plate. A modified fast version of this FD-OCT investigates a sweat duct in a finger pad in vivo, and visualizes it with 100 ms acquisition time.

Citation Download Citation

Yoshiaki Yasuno, Shuichi Makita, Takashi Endo, Gouki Aoki, Masahide Itoh, and Toyohiko Yatagai "High-speed full-range Fourier domain optical coherence tomography by simultaneous B-M-mode scanning", Proc. SPIE 5690, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX, (13 April 2005); https://doi.org/10.1117/12.589061

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